2321112131 has 8 divisors (see below), whose sum is σ = 2560627104. Its totient is φ = 2090306880.

The previous prime is 2321112089. The next prime is 2321112139. The reversal of 2321112131 is 1312111232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321112131 is a prime.

It is a super-2 number, since 2×2321112131² = 10775123049350722322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321112139) 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, 2176871 + ... + 2177936.

It is an arithmetic number, because the mean of its divisors is an integer number (320078388).

Almost surely, 2^2321112131 is an apocalyptic number.

2321112131 is a deficient number, since it is larger than the sum of its proper divisors (239514973).

2321112131 is a wasteful number, since it uses less digits than its factorization.

2321112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354861.

The product of its digits is 72, while the sum is 17.

The square root of 2321112131 is about 48177.9216135358. The cubic root of 2321112131 is about 1324.0326877942.

Adding to 2321112131 its reverse (1312111232), we get a palindrome (3633223363).

The spelling of 2321112131 in words is "two billion, three hundred twenty-one million, one hundred twelve thousand, one hundred thirty-one".