230031031 has 2 divisors, whose sum is σ = 230031032. Its totient is φ = 230031030.

The previous prime is 230031023. The next prime is 230031059. The reversal of 230031031 is 130130032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230031031 - 2³ = 230031023 is a prime.

It is a super-2 number, since 2×230031031² = 105828550445845922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230031071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115015515 + 115015516.

It is an arithmetic number, because the mean of its divisors is an integer number (115015516).

Almost surely, 2^230031031 is an apocalyptic number.

230031031 is a deficient number, since it is larger than the sum of its proper divisors (1).

230031031 is an equidigital number, since it uses as much as digits as its factorization.

230031031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 230031031 is about 15166.7739153717. The cubic root of 230031031 is about 612.7201205780.

Adding to 230031031 its reverse (130130032), we get a palindrome (360161063).

Subtracting from 230031031 its reverse (130130032), we obtain a palindrome (99900999).

The spelling of 230031031 in words is "two hundred thirty million, thirty-one thousand, thirty-one".