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1311130320330 = 235711274846883
BaseRepresentation
bin10011000101000101011…
…101001111110111001010
311122100020221000022100110
4103011011131033313022
5132440143330222310
62442154105015150
7163504013561025
oct23050535176712
94570227008313
101311130320330
11466057980636
12192132a844b6
13968400202bc
144765d8a01bc
152418b157d20
hex1314574fdca

1311130320330 has 64 divisors (see below), whose sum is σ = 3216159571968. Its totient is φ = 341995993920.

The previous prime is 1311130320281. The next prime is 1311130320361. The reversal of 1311130320330 is 330230311131.

It is a super-2 number, since 2×13111303203302 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1311130320297 and 1311130320306.

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, 2152932 + ... + 2693951.

It is an arithmetic number, because the mean of its divisors is an integer number (50252493312).

Almost surely, 21311130320330 is an apocalyptic number.

1311130320330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311130320330 is an abundant number, since it is smaller than the sum of its proper divisors (1905029251638).

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

1311130320330 is a wasteful number, since it uses less digits than its factorization.

1311130320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4847091.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1311130320330 its reverse (330230311131), we get a palindrome (1641360631461).

The spelling of 1311130320330 in words is "one trillion, three hundred eleven billion, one hundred thirty million, three hundred twenty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 71 127 142 213 254 355 381 426 635 710 762 1065 1270 1905 2130 3810 9017 18034 27051 45085 54102 90170 135255 270510 4846883 9693766 14540649 24234415 29081298 48468830 72703245 145406490 344128693 615554141 688257386 1032386079 1231108282 1720643465 1846662423 2064772158 3077770705 3441286930 3693324846 5161930395 6155541410 9233312115 10323860790 18466624230 43704344011 87408688022 131113032033 218521720055 262226064066 437043440110 655565160165 1311130320330