31077268 has 24 divisors (see below), whose sum is σ = 55944000. Its totient is φ = 15099840.

The previous prime is 31077251. The next prime is 31077271. The reversal of 31077268 is 86277013.

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 7 ways as a sum of consecutive naturals, for example, 19983 + ... + 21481.

It is an arithmetic number, because the mean of its divisors is an integer number (2331000).

Almost surely, 2^31077268 is an apocalyptic number.

It is an amenable number.

31077268 is a deficient number, since it is larger than the sum of its proper divisors (24866732).

31077268 is a wasteful number, since it uses less digits than its factorization.

31077268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 31077268 is about 5574.6989156366. The cubic root of 31077268 is about 314.3988467564.

The spelling of 31077268 in words is "thirty-one million, seventy-seven thousand, two hundred sixty-eight".