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131103034140 = 223513239703267
BaseRepresentation
bin111101000011001011…
…0011000101100011100
3110112101210111012000010
41322012112120230130
54121444334043030
6140121121003220
712320566255221
oct1720626305434
9415353435003
10131103034140
1150667276aa1
12214aa183510
13c494578560
1464b9b97948
153624ae86b0
hex1e86598b1c

131103034140 has 96 divisors (see below), whose sum is σ = 396980720640. Its totient is φ = 32136443136.

The previous prime is 131103034133. The next prime is 131103034169. The reversal of 131103034140 is 41430301131.

It is a super-3 number, since 3×1311030341403 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165214 + ... + 538053.

It is an arithmetic number, because the mean of its divisors is an integer number (4135215840).

Almost surely, 2131103034140 is an apocalyptic number.

131103034140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131103034140 is an abundant number, since it is smaller than the sum of its proper divisors (265877686500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131103034140 is a wasteful number, since it uses less digits than its factorization.

131103034140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703531 (or 703529 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131103034140 its reverse (41430301131), we get a palindrome (172533335271).

The spelling of 131103034140 in words is "one hundred thirty-one billion, one hundred three million, thirty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 239 260 390 478 717 780 956 1195 1434 2390 2868 3107 3585 4780 6214 7170 9321 12428 14340 15535 18642 31070 37284 46605 62140 93210 186420 703267 1406534 2109801 2813068 3516335 4219602 7032670 8439204 9142471 10549005 14065340 18284942 21098010 27427413 36569884 42196020 45712355 54854826 91424710 109709652 137137065 168080813 182849420 274274130 336161626 504242439 548548260 672323252 840404065 1008484878 1680808130 2016969756 2185050569 2521212195 3361616260 4370101138 5042424390 6555151707 8740202276 10084848780 10925252845 13110303414 21850505690 26220606828 32775758535 43701011380 65551517070 131103034140