230031201131 has 4 divisors (see below), whose sum is σ = 235380763992. Its totient is φ = 224681638272.

The previous prime is 230031201097. The next prime is 230031201139. The reversal of 230031201131 is 131102130032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230031201131 - 2⁶ = 230031201067 is a prime.

It is a super-2 number, since 2×230031201131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230031201139) 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 3 ways as a sum of consecutive naturals, for example, 2674781366 + ... + 2674781451.

It is an arithmetic number, because the mean of its divisors is an integer number (58845190998).

Almost surely, 2^230031201131 is an apocalyptic number.

230031201131 is a deficient number, since it is larger than the sum of its proper divisors (5349562861).

230031201131 is an equidigital number, since it uses as much as digits as its factorization.

230031201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349562860.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 230031201131 its reverse (131102130032), we get a palindrome (361133331163).

The spelling of 230031201131 in words is "two hundred thirty billion, thirty-one million, two hundred one thousand, one hundred thirty-one".