113131023211 has 2 divisors, whose sum is σ = 113131023212. Its totient is φ = 113131023210.

The previous prime is 113131023193. The next prime is 113131023221. The reversal of 113131023211 is 112320131311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113131023211 - 2⁵ = 113131023179 is a prime.

It is not a weakly prime, because it can be changed into another prime (113131023221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56565511605 + 56565511606.

It is an arithmetic number, because the mean of its divisors is an integer number (56565511606).

Almost surely, 2^113131023211 is an apocalyptic number.

113131023211 is a deficient number, since it is larger than the sum of its proper divisors (1).

113131023211 is an equidigital number, since it uses as much as digits as its factorization.

113131023211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 113131023211 its reverse (112320131311), we get a palindrome (225451154522).

The spelling of 113131023211 in words is "one hundred thirteen billion, one hundred thirty-one million, twenty-three thousand, two hundred eleven".