113531265321 has 8 divisors (see below), whose sum is σ = 151386101280. Its totient is φ = 75681969792.

The previous prime is 113531265313. The next prime is 113531265347. The reversal of 113531265321 is 123562135311.

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

It is not a de Polignac number, because 113531265321 - 2³ = 113531265313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113531265721) 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, 1337055 + ... + 1419428.

It is an arithmetic number, because the mean of its divisors is an integer number (18923262660).

Almost surely, 2^113531265321 is an apocalyptic number.

It is an amenable number.

113531265321 is a deficient number, since it is larger than the sum of its proper divisors (37854835959).

113531265321 is a wasteful number, since it uses less digits than its factorization.

113531265321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770215.

The product of its digits is 16200, while the sum is 33.

The spelling of 113531265321 in words is "one hundred thirteen billion, five hundred thirty-one million, two hundred sixty-five thousand, three hundred twenty-one".