200131311312 has 60 divisors (see below), whose sum is σ = 578157134464. Its totient is φ = 64558486080.

The previous prime is 200131311311. The next prime is 200131311323. The reversal of 200131311312 is 213113131002.

It is a super-2 number, since 2×200131311312² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200131311311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22411678 + ... + 22420605.

Almost surely, 2^200131311312 is an apocalyptic number.

It is an amenable number.

200131311312 is an abundant number, since it is smaller than the sum of its proper divisors (378025823152).

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

200131311312 is a wasteful number, since it uses less digits than its factorization.

200131311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44832328 (or 44832319 counting only the distinct ones).

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

Adding to 200131311312 its reverse (213113131002), we get a palindrome (413244442314).

The spelling of 200131311312 in words is "two hundred billion, one hundred thirty-one million, three hundred eleven thousand, three hundred twelve".