31243538552 has 16 divisors (see below), whose sum is σ = 58750463160. Its totient is φ = 15576748384.

The previous prime is 31243538507. The next prime is 31243538561. The reversal of 31243538552 is 25583534213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5624663 + ... + 5630214.

Almost surely, 2^31243538552 is an apocalyptic number.

It is an amenable number.

31243538552 is a deficient number, since it is larger than the sum of its proper divisors (27506924608).

31243538552 is a wasteful number, since it uses less digits than its factorization.

31243538552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11255230 (or 11255226 counting only the distinct ones).

The product of its digits is 432000, while the sum is 41.

The spelling of 31243538552 in words is "thirty-one billion, two hundred forty-three million, five hundred thirty-eight thousand, five hundred fifty-two".