2320312131 has 6 divisors (see below), whose sum is σ = 3351561980. Its totient is φ = 1546874748.

The previous prime is 2320312079. The next prime is 2320312153. The reversal of 2320312131 is 1312130232.

2320312131 is a `hidden beast` number, since 2 + 320 + 312 + 1 + 31 = 666.

It is not a de Polignac number, because 2320312131 - 2¹⁸ = 2320049987 is a prime.

It is a super-2 number, since 2×2320312131² = 10767696770531522322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2320312171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128906221 + ... + 128906238.

Almost surely, 2^2320312131 is an apocalyptic number.

2320312131 is a deficient number, since it is larger than the sum of its proper divisors (1031249849).

2320312131 is a wasteful number, since it uses less digits than its factorization.

2320312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257812465 (or 257812462 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2320312131 is about 48169.6183397793. The cubic root of 2320312131 is about 1323.8805555682.

Adding to 2320312131 its reverse (1312130232), we get a palindrome (3632442363).

The spelling of 2320312131 in words is "two billion, three hundred twenty million, three hundred twelve thousand, one hundred thirty-one".