31052074400 has 72 divisors (see below), whose sum is σ = 77048717004. Its totient is φ = 12217190400.

The previous prime is 31052074397. The next prime is 31052074477. The reversal of 31052074400 is 447025013.

It can be written as a sum of positive squares in 6 ways, for example, as 3175097104 + 27876977296 = 56348^2 + 166964^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31052074400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269357 + ... + 366956.

Almost surely, 2^31052074400 is an apocalyptic number.

It is an amenable number.

31052074400 is an abundant number, since it is smaller than the sum of its proper divisors (45996642604).

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

31052074400 is a wasteful number, since it uses less digits than its factorization.

31052074400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636394 (or 636381 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

Adding to 31052074400 its reverse (447025013), we get a palindrome (31499099413).

The spelling of 31052074400 in words is "thirty-one billion, fifty-two million, seventy-four thousand, four hundred".