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3113131012200 = 23345211172110151
BaseRepresentation
bin101101010011010101000…
…100010111000001101000
3102000121112110020011010000
4231103111010113001220
5402001143014342300
610342052545423000
7440626200665016
oct55232504270150
912017473204100
103113131012200
11aa02a932a680
1242341933aa60
1319774a8c2741
14aa967c678b6
1555ea665dc00
hex2d4d5117068

3113131012200 has 480 divisors, whose sum is σ = 11803323913920. Its totient is φ = 754185600000.

The previous prime is 3113131012181. The next prime is 3113131012213. The reversal of 3113131012200 is 22101313113.

3113131012200 is a `hidden beast` number, since 3 + 1 + 131 + 310 + 1 + 220 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 306677125 + ... + 306687275.

It is an arithmetic number, because the mean of its divisors is an integer number (24590258154).

Almost surely, 23113131012200 is an apocalyptic number.

3113131012200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113131012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5901661956960).

3113131012200 is an abundant number, since it is smaller than the sum of its proper divisors (8690192901720).

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

3113131012200 is a wasteful number, since it uses less digits than its factorization.

3113131012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11911 (or 11893 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 3113131012200 its reverse (22101313113), we get a palindrome (3135232325313).

The spelling of 3113131012200 in words is "three trillion, one hundred thirteen billion, one hundred thirty-one million, twelve thousand, two hundred".