31234404401200 has 240 divisors, whose sum is σ = 100753889838336. Its totient is φ = 8986521830400.

The previous prime is 31234404401171. The next prime is 31234404401227. The reversal of 31234404401200 is 210440443213.

It is a super-2 number, since 2×31234404401200² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38603602 + ... + 39404401.

Almost surely, 2^{31234404401200} is an apocalyptic number.

It is an amenable number.

31234404401200 is an abundant number, since it is smaller than the sum of its proper divisors (69519485437136).

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

31234404401200 is a wasteful number, since it uses less digits than its factorization.

31234404401200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78008052 (or 78008041 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 31234404401200 its reverse (210440443213), we get a palindrome (31444844844413).

The spelling of 31234404401200 in words is "thirty-one trillion, two hundred thirty-four billion, four hundred four million, four hundred one thousand, two hundred".