152831 has 6 divisors (see below), whose sum is σ = 177840. Its totient is φ = 130956.

The previous prime is 152821. The next prime is 152833. The reversal of 152831 is 138251.

It is not a de Polignac number, because 152831 - 2⁶ = 152767 is a prime.

It is a super-2 number, since 2×152831² = 46714629122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1511 + ... + 1608.

It is an arithmetic number, because the mean of its divisors is an integer number (29640).

2¹⁵²⁸³¹ is an apocalyptic number.

152831 is a deficient number, since it is larger than the sum of its proper divisors (25009).

152831 is an equidigital number, since it uses as much as digits as its factorization.

152831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133 (or 3126 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 152831 is about 390.9360561524. The cubic root of 152831 is about 53.4651124921.

The spelling of 152831 in words is "one hundred fifty-two thousand, eight hundred thirty-one".