113211312331 has 8 divisors (see below), whose sum is σ = 124755221360. Its totient is φ = 102072452832.

The previous prime is 113211312329. The next prime is 113211312367. The reversal of 113211312331 is 133213112311.

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

It is a cyclic number.

It is not a de Polignac number, because 113211312331 - 2¹ = 113211312329 is a prime.

It is a super-2 number, since 2×113211312331² (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 (113211312301) 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, 101261796 + ... + 101262913.

It is an arithmetic number, because the mean of its divisors is an integer number (15594402670).

Almost surely, 2^113211312331 is an apocalyptic number.

113211312331 is a deficient number, since it is larger than the sum of its proper divisors (11543909029).

113211312331 is a wasteful number, since it uses less digits than its factorization.

113211312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202524765.

The product of its digits is 324, while the sum is 22.

Adding to 113211312331 its reverse (133213112311), we get a palindrome (246424424642).

The spelling of 113211312331 in words is "one hundred thirteen billion, two hundred eleven million, three hundred twelve thousand, three hundred thirty-one".