2531331379 has 2 divisors, whose sum is σ = 2531331380. Its totient is φ = 2531331378.

The previous prime is 2531331377. The next prime is 2531331403. The reversal of 2531331379 is 9731331352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2531331379 - 2¹ = 2531331377 is a prime.

Together with 2531331377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2531331377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265665689 + 1265665690.

It is an arithmetic number, because the mean of its divisors is an integer number (1265665690).

Almost surely, 2^2531331379 is an apocalyptic number.

2531331379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531331379 is an equidigital number, since it uses as much as digits as its factorization.

2531331379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 37.

The square root of 2531331379 is about 50312.3382382493. The cubic root of 2531331379 is about 1362.8550494510.

The spelling of 2531331379 in words is "two billion, five hundred thirty-one million, three hundred thirty-one thousand, three hundred seventy-nine".