31200330300112 has 40 divisors (see below), whose sum is σ = 62748902956032. Its totient is φ = 15017947593600.

The previous prime is 31200330300107. The next prime is 31200330300119. The reversal of 31200330300112 is 21100303300213.

It is a super-2 number, since 2×31200330300112² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31200330300112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31200330300119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340034464 + ... + 340126207.

Almost surely, 2^{31200330300112} is an apocalyptic number.

It is an amenable number.

31200330300112 is an abundant number, since it is smaller than the sum of its proper divisors (31548572655920).

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

31200330300112 is a wasteful number, since it uses less digits than its factorization.

31200330300112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680160787 (or 680160781 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31200330300112 its reverse (21100303300213), we get a palindrome (52300633600325).

The spelling of 31200330300112 in words is "thirty-one trillion, two hundred billion, three hundred thirty million, three hundred thousand, one hundred twelve".