31542012251404 has 48 divisors (see below), whose sum is σ = 57756428412480. Its totient is φ = 15053108537600.

The previous prime is 31542012251371. The next prime is 31542012251429. The reversal of 31542012251404 is 40415221024513.

It is a self number, because there is not a number n which added to its sum of digits gives 31542012251404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5499714 + ... + 9660790.

It is an arithmetic number, because the mean of its divisors is an integer number (1203258925260).

Almost surely, 2^{31542012251404} is an apocalyptic number.

It is an amenable number.

31542012251404 is a deficient number, since it is larger than the sum of its proper divisors (26214416161076).

31542012251404 is a wasteful number, since it uses less digits than its factorization.

31542012251404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161858 (or 4161856 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 31542012251404 its reverse (40415221024513), we get a palindrome (71957233275917).

The spelling of 31542012251404 in words is "thirty-one trillion, five hundred forty-two billion, twelve million, two hundred fifty-one thousand, four hundred four".