113131012330331 has 4 divisors (see below), whose sum is σ = 113131077162600. Its totient is φ = 113130947498064.

The previous prime is 113131012330291. The next prime is 113131012330373. The reversal of 113131012330331 is 133033210131311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113131012330331 is a prime.

It is a super-2 number, since 2×113131012330331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113131012330331.

It is not an unprimeable number, because it can be changed into a prime (113131012330381) 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, 29724146 + ... + 33313463.

It is an arithmetic number, because the mean of its divisors is an integer number (28282769290650).

Almost surely, 2^{113131012330331} is an apocalyptic number.

113131012330331 is a deficient number, since it is larger than the sum of its proper divisors (64832269).

113131012330331 is an equidigital number, since it uses as much as digits as its factorization.

113131012330331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64832268.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 113131012330331 its reverse (133033210131311), we get a palindrome (246164222461642).

The spelling of 113131012330331 in words is "one hundred thirteen trillion, one hundred thirty-one billion, twelve million, three hundred thirty thousand, three hundred thirty-one".