31152057 has 8 divisors (see below), whose sum is σ = 41745600. Its totient is φ = 20663280.

The previous prime is 31151999. The next prime is 31152067. The reversal of 31152057 is 75025113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31152057 - 2¹⁴ = 31135673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31152067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25494 + ... + 26687.

It is an arithmetic number, because the mean of its divisors is an integer number (5218200).

Almost surely, 2^31152057 is an apocalyptic number.

It is an amenable number.

31152057 is a deficient number, since it is larger than the sum of its proper divisors (10593543).

31152057 is a wasteful number, since it uses less digits than its factorization.

31152057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52383.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 31152057 is about 5581.4027806637. The cubic root of 31152057 is about 314.6508502286.

The spelling of 31152057 in words is "thirty-one million, one hundred fifty-two thousand, fifty-seven".