31074534 has 12 divisors (see below), whose sum is σ = 67328196. Its totient is φ = 10358172.

The previous prime is 31074517. The next prime is 31074551. The reversal of 31074534 is 43547013.

It is an interprime number because it is at equal distance from previous prime (31074517) and next prime (31074551).

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 31074498 and 31074507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 863164 + ... + 863199.

It is an arithmetic number, because the mean of its divisors is an integer number (5610683).

Almost surely, 2^31074534 is an apocalyptic number.

31074534 is an abundant number, since it is smaller than the sum of its proper divisors (36253662).

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

31074534 is a wasteful number, since it uses less digits than its factorization.

31074534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726371 (or 1726368 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 31074534 is about 5574.4536952064. The cubic root of 31074534 is about 314.3896268162.

The spelling of 31074534 in words is "thirty-one million, seventy-four thousand, five hundred thirty-four".