2113022231 has 2 divisors, whose sum is σ = 2113022232. Its totient is φ = 2113022230.

The previous prime is 2113022227. The next prime is 2113022239. The reversal of 2113022231 is 1322203112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2113022231 - 2² = 2113022227 is a prime.

It is a super-2 number, since 2×2113022231² = 8929725897400434722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113022239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056511115 + 1056511116.

It is an arithmetic number, because the mean of its divisors is an integer number (1056511116).

Almost surely, 2^2113022231 is an apocalyptic number.

2113022231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113022231 is an equidigital number, since it uses as much as digits as its factorization.

2113022231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2113022231 is about 45967.6215503913. The cubic root of 2113022231 is about 1283.2206961505.

Adding to 2113022231 its reverse (1322203112), we get a palindrome (3435225343).

The spelling of 2113022231 in words is "two billion, one hundred thirteen million, twenty-two thousand, two hundred thirty-one".