31457345452 has 12 divisors (see below), whose sum is σ = 59284997296. Its totient is φ = 14518774800.

The previous prime is 31457345443. The next prime is 31457345461. The reversal of 31457345452 is 25454375413.

It is an interprime number because it is at equal distance from previous prime (31457345443) and next prime (31457345461).

It is a junction number, because it is equal to n+sod(n) for n = 31457345399 and 31457345408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302474424 + ... + 302474527.

Almost surely, 2^31457345452 is an apocalyptic number.

It is an amenable number.

31457345452 is a deficient number, since it is larger than the sum of its proper divisors (27827651844).

31457345452 is a wasteful number, since it uses less digits than its factorization.

31457345452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604948968 (or 604948966 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 43.

The spelling of 31457345452 in words is "thirty-one billion, four hundred fifty-seven million, three hundred forty-five thousand, four hundred fifty-two".