231302325122111 has 4 divisors (see below), whose sum is σ = 231305704481472. Its totient is φ = 231298945762752.

The previous prime is 231302325122053. The next prime is 231302325122123. The reversal of 231302325122111 is 111221523203132.

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 231302325122111 - 2⁶ = 231302325122047 is a prime.

It is a super-2 number, since 2×231302325122111² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231302325121111) 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, 1689577010 + ... + 1689713903.

It is an arithmetic number, because the mean of its divisors is an integer number (57826426120368).

Almost surely, 2^{231302325122111} is an apocalyptic number.

231302325122111 is a deficient number, since it is larger than the sum of its proper divisors (3379359361).

231302325122111 is an equidigital number, since it uses as much as digits as its factorization.

231302325122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379359360.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 231302325122111 its reverse (111221523203132), we get a palindrome (342523848325243).

The spelling of 231302325122111 in words is "two hundred thirty-one trillion, three hundred two billion, three hundred twenty-five million, one hundred twenty-two thousand, one hundred eleven".