31056534 has 20 divisors (see below), whose sum is σ = 69590004. Its totient is φ = 10352124.

The previous prime is 31056533. The next prime is 31056539. The reversal of 31056534 is 43565013.

31056534 is a `hidden beast` number, since 3 + 1 + 0 + 5 + 653 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31056498 and 31056507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31056533) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 95692 + ... + 96015.

Almost surely, 2^31056534 is an apocalyptic number.

31056534 is an abundant number, since it is smaller than the sum of its proper divisors (38533470).

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

31056534 is a wasteful number, since it uses less digits than its factorization.

31056534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191721 (or 191712 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 31056534 is about 5572.8389533522. The cubic root of 31056534 is about 314.3289114375.

The spelling of 31056534 in words is "thirty-one million, fifty-six thousand, five hundred thirty-four".