113302155531 has 4 divisors (see below), whose sum is σ = 151069540712. Its totient is φ = 75534770352.

The previous prime is 113302155493. The next prime is 113302155599. The reversal of 113302155531 is 135551203311.

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

It is not a de Polignac number, because 113302155531 - 2⁶ = 113302155467 is a prime.

It is a super-2 number, since 2×113302155531² (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 (113302156531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18883692586 + ... + 18883692591.

It is an arithmetic number, because the mean of its divisors is an integer number (37767385178).

Almost surely, 2^113302155531 is an apocalyptic number.

113302155531 is a deficient number, since it is larger than the sum of its proper divisors (37767385181).

113302155531 is an equidigital number, since it uses as much as digits as its factorization.

113302155531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37767385180.

The product of its (nonzero) digits is 6750, while the sum is 30.

Adding to 113302155531 its reverse (135551203311), we get a palindrome (248853358842).

The spelling of 113302155531 in words is "one hundred thirteen billion, three hundred two million, one hundred fifty-five thousand, five hundred thirty-one".