2312321131 has 8 divisors (see below), whose sum is σ = 2331620864. Its totient is φ = 2293038720.

The previous prime is 2312321129. The next prime is 2312321159. The reversal of 2312321131 is 1311232132.

2312321131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2312321131 - 2¹ = 2312321129 is a prime.

It is a super-2 number, since 2×2312321131² = 10693658025738238322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312321099 and 2312321108.

It is not an unprimeable number, because it can be changed into a prime (2312321161) 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, 539011 + ... + 543283.

It is an arithmetic number, because the mean of its divisors is an integer number (291452608).

Almost surely, 2^2312321131 is an apocalyptic number.

2312321131 is a deficient number, since it is larger than the sum of its proper divisors (19299733).

2312321131 is a wasteful number, since it uses less digits than its factorization.

2312321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8661.

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

The square root of 2312321131 is about 48086.6003269102. The cubic root of 2312321131 is about 1322.3590221399.

Adding to 2312321131 its reverse (1311232132), we get a palindrome (3623553263).

The spelling of 2312321131 in words is "two billion, three hundred twelve million, three hundred twenty-one thousand, one hundred thirty-one".