113203331131 has 4 divisors (see below), whose sum is σ = 123494543064. Its totient is φ = 102912119200.

The previous prime is 113203331123. The next prime is 113203331141. The reversal of 113203331131 is 131133302311.

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

It is not a de Polignac number, because 113203331131 - 2³ = 113203331123 is a prime.

It is a super-2 number, since 2×113203331131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113203331141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5145605950 + ... + 5145605971.

It is an arithmetic number, because the mean of its divisors is an integer number (30873635766).

Almost surely, 2^113203331131 is an apocalyptic number.

113203331131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113203331131 is a deficient number, since it is larger than the sum of its proper divisors (10291211933).

113203331131 is a wasteful number, since it uses less digits than its factorization.

113203331131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10291211932.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 113203331131 its reverse (131133302311), we get a palindrome (244336633442).

The spelling of 113203331131 in words is "one hundred thirteen billion, two hundred three million, three hundred thirty-one thousand, one hundred thirty-one".