31853017052 has 12 divisors (see below), whose sum is σ = 56369103840. Its totient is φ = 15747558816.

The previous prime is 31853016983. The next prime is 31853017067. The reversal of 31853017052 is 25071035813.

It is a super-4 number, since 4×31853017052⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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, 44737028 + ... + 44737739.

It is an arithmetic number, because the mean of its divisors is an integer number (4697425320).

Almost surely, 2^31853017052 is an apocalyptic number.

It is an amenable number.

31853017052 is a deficient number, since it is larger than the sum of its proper divisors (24516086788).

31853017052 is a wasteful number, since it uses less digits than its factorization.

31853017052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89474860 (or 89474858 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 31853017052 in words is "thirty-one billion, eight hundred fifty-three million, seventeen thousand, fifty-two".