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131402431540310 = 2571998798820707
BaseRepresentation
bin11101111000001010000011…
…010000010010110001010110
3122020020221122101101010111012
4131320022003100102301112
5114210344134433242220
61143245235501012222
736451340515130360
oct3570120320226126
9566227571333435
10131402431540310
1138961504a4a767
12128a2808554072
135842271b6bab8
142463ca96b7d30
15102d12ae0eac5
hex778283412c56

131402431540310 has 32 divisors (see below), whose sum is σ = 284540603639040. Its totient is φ = 42681090544992.

The previous prime is 131402431540273. The next prime is 131402431540339. The reversal of 131402431540310 is 13045134204131.

It is a super-2 number, since 2×1314024315403102 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49399409024 + ... + 49399411683.

It is an arithmetic number, because the mean of its divisors is an integer number (8891893863720).

Almost surely, 2131402431540310 is an apocalyptic number.

131402431540310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131402431540310 is an abundant number, since it is smaller than the sum of its proper divisors (153138172098730).

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

131402431540310 is a wasteful number, since it uses less digits than its factorization.

131402431540310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98798820740.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 131402431540310 its reverse (13045134204131), we get a palindrome (144447565744441).

The spelling of 131402431540310 in words is "one hundred thirty-one trillion, four hundred two billion, four hundred thirty-one million, five hundred forty thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 98798820707 197597641414 493994103535 691591744949 987988207070 1383183489898 1877177593433 3457958724745 3754355186866 6915917449490 9385887967165 13140243154031 18771775934330 26280486308062 65701215770155 131402431540310