230051031 has 48 divisors (see below), whose sum is σ = 387855360. Its totient is φ = 120476160.

The previous prime is 230051011. The next prime is 230051039. The reversal of 230051031 is 130150032.

It is a happy number.

It is not a de Polignac number, because 230051031 - 2¹⁵ = 230018263 is a prime.

It is a super-2 number, since 2×230051031² = 105846953728325922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230051031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230051039) 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 47 ways as a sum of consecutive naturals, for example, 85255 + ... + 87911.

It is an arithmetic number, because the mean of its divisors is an integer number (8080320).

Almost surely, 2^230051031 is an apocalyptic number.

230051031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

230051031 is a deficient number, since it is larger than the sum of its proper divisors (157804329).

230051031 is a wasteful number, since it uses less digits than its factorization.

230051031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724 (or 2717 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 230051031 is about 15167.4332370378. The cubic root of 230051031 is about 612.7378776711.

Subtracting from 230051031 its reverse (130150032), we obtain a palindrome (99900999).

The spelling of 230051031 in words is "two hundred thirty million, fifty-one thousand, thirty-one".