31272087 has 48 divisors (see below), whose sum is σ = 54204416. Its totient is φ = 15681600.

The previous prime is 31272041. The next prime is 31272089. The reversal of 31272087 is 78027213.

It is not a de Polignac number, because 31272087 - 2⁶ = 31272023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31272089) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78573 + ... + 78969.

Almost surely, 2^31272087 is an apocalyptic number.

31272087 is a deficient number, since it is larger than the sum of its proper divisors (22932329).

31272087 is a wasteful number, since it uses less digits than its factorization.

31272087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 31272087 is about 5592.1451161428. The cubic root of 31272087 is about 315.0544526676.

The spelling of 31272087 in words is "thirty-one million, two hundred seventy-two thousand, eighty-seven".