113213412031 has 2 divisors, whose sum is σ = 113213412032. Its totient is φ = 113213412030.

The previous prime is 113213411999. The next prime is 113213412043. The reversal of 113213412031 is 130214312311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113213412031 - 2⁵ = 113213411999 is a prime.

It is a super-2 number, since 2×113213412031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113213411993 and 113213412011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113213410031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56606706015 + 56606706016.

It is an arithmetic number, because the mean of its divisors is an integer number (56606706016).

Almost surely, 2^113213412031 is an apocalyptic number.

113213412031 is a deficient number, since it is larger than the sum of its proper divisors (1).

113213412031 is an equidigital number, since it uses as much as digits as its factorization.

113213412031 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 22.

Adding to 113213412031 its reverse (130214312311), we get a palindrome (243427724342).

The spelling of 113213412031 in words is "one hundred thirteen billion, two hundred thirteen million, four hundred twelve thousand, thirty-one".