152431131 has 8 divisors (see below), whose sum is σ = 206573584. Its totient is φ = 99954720.

The previous prime is 152431109. The next prime is 152431133. The reversal of 152431131 is 131134251.

152431131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 152431131 - 2⁵ = 152431099 is a prime.

It is a super-2 number, since 2×152431131² = 46470499395878322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152431098 and 152431107.

It is not an unprimeable number, because it can be changed into a prime (152431133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416296 + ... + 416661.

It is an arithmetic number, because the mean of its divisors is an integer number (25821698).

Almost surely, 2^152431131 is an apocalyptic number.

152431131 is a deficient number, since it is larger than the sum of its proper divisors (54142453).

152431131 is an equidigital number, since it uses as much as digits as its factorization.

152431131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833021.

The product of its digits is 360, while the sum is 21.

The square root of 152431131 is about 12346.3002960401. The cubic root of 152431131 is about 534.1844282938.

Adding to 152431131 its reverse (131134251), we get a palindrome (283565382).

The spelling of 152431131 in words is "one hundred fifty-two million, four hundred thirty-one thousand, one hundred thirty-one".