113021132131 has 4 divisors (see below), whose sum is σ = 114936744600. Its totient is φ = 111105519664.

The previous prime is 113021132117. The next prime is 113021132137. The reversal of 113021132131 is 131231120311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113021132131 - 2⁵ = 113021132099 is a prime.

It is a super-2 number, since 2×113021132131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113021132099 and 113021132108.

It is not an unprimeable number, because it can be changed into a prime (113021132137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957806146 + ... + 957806263.

It is an arithmetic number, because the mean of its divisors is an integer number (28734186150).

Almost surely, 2^113021132131 is an apocalyptic number.

113021132131 is a deficient number, since it is larger than the sum of its proper divisors (1915612469).

113021132131 is an equidigital number, since it uses as much as digits as its factorization.

113021132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915612468.

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

Adding to 113021132131 its reverse (131231120311), we get a palindrome (244252252442).

The spelling of 113021132131 in words is "one hundred thirteen billion, twenty-one million, one hundred thirty-two thousand, one hundred thirty-one".