230111022131 has 4 divisors (see below), whose sum is σ = 230410257000. Its totient is φ = 229811787264.

The previous prime is 230111022103. The next prime is 230111022191. The reversal of 230111022131 is 131220111032.

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 230111022131 - 2⁶ = 230111022067 is a prime.

It is a super-2 number, since 2×230111022131² (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 (230111022191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149616281 + ... + 149617818.

It is an arithmetic number, because the mean of its divisors is an integer number (57602564250).

Almost surely, 2^230111022131 is an apocalyptic number.

230111022131 is a deficient number, since it is larger than the sum of its proper divisors (299234869).

230111022131 is an equidigital number, since it uses as much as digits as its factorization.

230111022131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299234868.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 230111022131 its reverse (131220111032), we get a palindrome (361331133163).

The spelling of 230111022131 in words is "two hundred thirty billion, one hundred eleven million, twenty-two thousand, one hundred thirty-one".