2131301239 has 2 divisors, whose sum is σ = 2131301240. Its totient is φ = 2131301238.

The previous prime is 2131301213. The next prime is 2131301267. The reversal of 2131301239 is 9321031312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131301239 - 2⁷ = 2131301111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131391239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065650619 + 1065650620.

It is an arithmetic number, because the mean of its divisors is an integer number (1065650620).

Almost surely, 2^2131301239 is an apocalyptic number.

2131301239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131301239 is an equidigital number, since it uses as much as digits as its factorization.

2131301239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 2131301239 is about 46166.0182276964. The cubic root of 2131301239 is about 1286.9103068096.

It can be divided in two parts, 213130 and 1239, that added together give a square (214369 = 463²).

The spelling of 2131301239 in words is "two billion, one hundred thirty-one million, three hundred one thousand, two hundred thirty-nine".