113222320031 has 2 divisors, whose sum is σ = 113222320032. Its totient is φ = 113222320030.

The previous prime is 113222320009. The next prime is 113222320067. The reversal of 113222320031 is 130023222311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113222320031 - 2²⁶ = 113155211167 is a prime.

It is a super-2 number, since 2×113222320031² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 113222319985 and 113222320012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113222320531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56611160015 + 56611160016.

It is an arithmetic number, because the mean of its divisors is an integer number (56611160016).

Almost surely, 2^113222320031 is an apocalyptic number.

113222320031 is a deficient number, since it is larger than the sum of its proper divisors (1).

113222320031 is an equidigital number, since it uses as much as digits as its factorization.

113222320031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 113222320031 its reverse (130023222311), we get a palindrome (243245542342).

The spelling of 113222320031 in words is "one hundred thirteen billion, two hundred twenty-two million, three hundred twenty thousand, thirty-one".