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131133113112 = 23317479670991
BaseRepresentation
bin111101000100000100…
…1001000001100011000
3110112110220002100121010
41322020021020030120
54122030034104422
6140124113413520
712321413033061
oct1721011101430
9415426070533
10131133113112
1150682250851
12214b826a2a0
13c49a87a471
1464bdb87568
15362758ab0c
hex1e88248318

131133113112 has 64 divisors (see below), whose sum is σ = 347842252800. Its totient is φ = 41053852160.

The previous prime is 131133113107. The next prime is 131133113149. The reversal of 131133113112 is 211311331131.

It is a super-4 number, since 4×1311331131124 (a number of 46 digits) contains 4444 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140064 + ... + 530927.

It is an arithmetic number, because the mean of its divisors is an integer number (5435035200).

Almost surely, 2131133113112 is an apocalyptic number.

131133113112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131133113112 is an abundant number, since it is smaller than the sum of its proper divisors (216709139688).

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

131133113112 is a wasteful number, since it uses less digits than its factorization.

131133113112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671496 (or 671492 counting only the distinct ones).

The product of its digits is 162, while the sum is 21.

Adding to 131133113112 its reverse (211311331131), we get a palindrome (342444444243).

The spelling of 131133113112 in words is "one hundred thirty-one billion, one hundred thirty-three million, one hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 479 958 1437 1916 2874 3832 5748 8143 11496 16286 24429 32572 48858 65144 97716 195432 670991 1341982 2012973 2683964 4025946 5367928 8051892 11406847 16103784 22813694 34220541 45627388 68441082 91254776 136882164 273764328 321404689 642809378 964214067 1285618756 1928428134 2571237512 3856856268 5463879713 7713712536 10927759426 16391639139 21855518852 32783278278 43711037704 65566556556 131133113112