31314104831200 has 144 divisors (see below), whose sum is σ = 80182118890944. Its totient is φ = 11927810304000.

The previous prime is 31314104831189. The next prime is 31314104831201. The reversal of 31314104831200 is 213840141313.

It is a super-2 number, since 2×31314104831200² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31314104831201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9863151 + ... + 12645550.

It is an arithmetic number, because the mean of its divisors is an integer number (556820270076).

Almost surely, 2^{31314104831200} is an apocalyptic number.

It is an amenable number.

31314104831200 is an abundant number, since it is smaller than the sum of its proper divisors (48868014059744).

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

31314104831200 is a wasteful number, since it uses less digits than its factorization.

31314104831200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22508805 (or 22508792 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 31314104831200 its reverse (213840141313), we get a palindrome (31527944972513).

The spelling of 31314104831200 in words is "thirty-one trillion, three hundred fourteen billion, one hundred four million, eight hundred thirty-one thousand, two hundred".