31310046452 has 12 divisors (see below), whose sum is σ = 54815324256. Its totient is φ = 15648525240.

The previous prime is 31310046437. The next prime is 31310046457. The reversal of 31310046452 is 25464001313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31310046457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1613648 + ... + 1632935.

It is an arithmetic number, because the mean of its divisors is an integer number (4567943688).

Almost surely, 2^31310046452 is an apocalyptic number.

It is an amenable number.

31310046452 is a deficient number, since it is larger than the sum of its proper divisors (23505277804).

31310046452 is a wasteful number, since it uses less digits than its factorization.

31310046452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248998 (or 3248996 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 31310046452 its reverse (25464001313), we get a palindrome (56774047765).

The spelling of 31310046452 in words is "thirty-one billion, three hundred ten million, forty-six thousand, four hundred fifty-two".