31086268 has 12 divisors (see below), whose sum is σ = 57601152. Its totient is φ = 14628800.

The previous prime is 31086257. The next prime is 31086287. The reversal of 31086268 is 86268013.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228508 + ... + 228643.

It is an arithmetic number, because the mean of its divisors is an integer number (4800096).

Almost surely, 2^31086268 is an apocalyptic number.

It is an amenable number.

31086268 is a deficient number, since it is larger than the sum of its proper divisors (26514884).

31086268 is a wasteful number, since it uses less digits than its factorization.

31086268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457172 (or 457170 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 31086268 is about 5575.5060756850. The cubic root of 31086268 is about 314.4291938739.

The spelling of 31086268 in words is "thirty-one million, eighty-six thousand, two hundred sixty-eight".