230131031031 has 24 divisors (see below), whose sum is σ = 362666188560. Its totient is φ = 139459708800.

The previous prime is 230131031003. The next prime is 230131031059. The reversal of 230131031031 is 130130131032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (230131031003) and next prime (230131031059).

It is not a de Polignac number, because 230131031031 - 2⁵ = 230131030999 is a prime.

It is a super-2 number, since 2×230131031031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230131030995 and 230131031013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230131031231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 953841 + ... + 1170501.

It is an arithmetic number, because the mean of its divisors is an integer number (15111091190).

Almost surely, 2^230131031031 is an apocalyptic number.

230131031031 is a deficient number, since it is larger than the sum of its proper divisors (132535157529).

230131031031 is a wasteful number, since it uses less digits than its factorization.

230131031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227407 (or 227404 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 230131031031 its reverse (130130131032), we get a palindrome (360261162063).

The spelling of 230131031031 in words is "two hundred thirty billion, one hundred thirty-one million, thirty-one thousand, thirty-one".