31295889861474 has 48 divisors (see below), whose sum is σ = 72834418922400. Its totient is φ = 8938787872896.

The previous prime is 31295889861371. The next prime is 31295889861479. The reversal of 31295889861474 is 47416898859213.

It is a super-2 number, since 2×31295889861474² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31295889861396 and 31295889861405.

It is not an unprimeable number, because it can be changed into a prime (31295889861479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16322104 + ... + 18138435.

It is an arithmetic number, because the mean of its divisors is an integer number (1517383727550).

Almost surely, 2^{31295889861474} is an apocalyptic number.

31295889861474 is an abundant number, since it is smaller than the sum of its proper divisors (41538529060926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31295889861474 is a wasteful number, since it uses less digits than its factorization.

31295889861474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34463647 (or 34463640 counting only the distinct ones).

The product of its digits is 836075520, while the sum is 75.

The spelling of 31295889861474 in words is "thirty-one trillion, two hundred ninety-five billion, eight hundred eighty-nine million, eight hundred sixty-one thousand, four hundred seventy-four".