113021320031 has 8 divisors (see below), whose sum is σ = 119685307104. Its totient is φ = 106359074560.

The previous prime is 113021320021. The next prime is 113021320067. The reversal of 113021320031 is 130023120311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113021320031 - 2¹⁰ = 113021319007 is a prime.

It is a super-2 number, since 2×113021320031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113021319991 and 113021320009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113021320021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300590 + ... + 562491.

It is an arithmetic number, because the mean of its divisors is an integer number (14960663388).

Almost surely, 2^113021320031 is an apocalyptic number.

113021320031 is a deficient number, since it is larger than the sum of its proper divisors (6663987073).

113021320031 is an equidigital number, since it uses as much as digits as its factorization.

113021320031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870801.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 113021320031 its reverse (130023120311), we get a palindrome (243044440342).

The spelling of 113021320031 in words is "one hundred thirteen billion, twenty-one million, three hundred twenty thousand, thirty-one".