113521943131 has 2 divisors, whose sum is σ = 113521943132. Its totient is φ = 113521943130.

The previous prime is 113521943107. The next prime is 113521943179. The reversal of 113521943131 is 131349125311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113521943131 - 2⁵ = 113521943099 is a prime.

It is a super-2 number, since 2×113521943131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113521940131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56760971565 + 56760971566.

It is an arithmetic number, because the mean of its divisors is an integer number (56760971566).

Almost surely, 2^113521943131 is an apocalyptic number.

113521943131 is a deficient number, since it is larger than the sum of its proper divisors (1).

113521943131 is an equidigital number, since it uses as much as digits as its factorization.

113521943131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 34.

The spelling of 113521943131 in words is "one hundred thirteen billion, five hundred twenty-one million, nine hundred forty-three thousand, one hundred thirty-one".