2312113321 has 16 divisors (see below), whose sum is σ = 2676933504. Its totient is φ = 1955971584.

The previous prime is 2312113319. The next prime is 2312113333. The reversal of 2312113321 is 1233112132.

It is not a de Polignac number, because 2312113321 - 2¹ = 2312113319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2312113121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1145305 + ... + 1147321.

It is an arithmetic number, because the mean of its divisors is an integer number (167308344).

Almost surely, 2^2312113321 is an apocalyptic number.

It is an amenable number.

2312113321 is a deficient number, since it is larger than the sum of its proper divisors (364820183).

2312113321 is a wasteful number, since it uses less digits than its factorization.

2312113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080.

The product of its digits is 216, while the sum is 19.

The square root of 2312113321 is about 48084.4394892984. The cubic root of 2312113321 is about 1322.3194071606.

Adding to 2312113321 its reverse (1233112132), we get a palindrome (3545225453).

The spelling of 2312113321 in words is "two billion, three hundred twelve million, one hundred thirteen thousand, three hundred twenty-one".