231024131 has 16 divisors (see below), whose sum is σ = 253632960. Its totient is φ = 209139840.

The previous prime is 231024091. The next prime is 231024137. The reversal of 231024131 is 131420132.

It is not a de Polignac number, because 231024131 - 2¹⁸ = 230761987 is a prime.

It is a super-2 number, since 2×231024131² = 106744298208610322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231024137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210821 + ... + 211913.

It is an arithmetic number, because the mean of its divisors is an integer number (15852060).

Almost surely, 2^231024131 is an apocalyptic number.

231024131 is a deficient number, since it is larger than the sum of its proper divisors (22608829).

231024131 is a wasteful number, since it uses less digits than its factorization.

231024131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 231024131 is about 15199.4779844572. The cubic root of 231024131 is about 613.6006087067.

Adding to 231024131 its reverse (131420132), we get a palindrome (362444263).

The spelling of 231024131 in words is "two hundred thirty-one million, twenty-four thousand, one hundred thirty-one".