113313021031 has 4 divisors (see below), whose sum is σ = 129500595472. Its totient is φ = 97125446592.

The previous prime is 113313021007. The next prime is 113313021083. The reversal of 113313021031 is 130120313311.

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 113313021031 - 2¹¹ = 113313018983 is a prime.

It is a super-2 number, since 2×113313021031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113313021431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8093787210 + ... + 8093787223.

It is an arithmetic number, because the mean of its divisors is an integer number (32375148868).

Almost surely, 2^113313021031 is an apocalyptic number.

113313021031 is a deficient number, since it is larger than the sum of its proper divisors (16187574441).

113313021031 is an equidigital number, since it uses as much as digits as its factorization.

113313021031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16187574440.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 113313021031 its reverse (130120313311), we get a palindrome (243433334342).

The spelling of 113313021031 in words is "one hundred thirteen billion, three hundred thirteen million, twenty-one thousand, thirty-one".