2130979531 has 2 divisors, whose sum is σ = 2130979532. Its totient is φ = 2130979530.

The previous prime is 2130979481. The next prime is 2130979541. The reversal of 2130979531 is 1359790312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2130979531 - 2¹¹ = 2130977483 is a prime.

It is a super-2 number, since 2×2130979531² = 9082147523081959922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2130979541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065489765 + 1065489766.

It is an arithmetic number, because the mean of its divisors is an integer number (1065489766).

Almost surely, 2^2130979531 is an apocalyptic number.

2130979531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130979531 is an equidigital number, since it uses as much as digits as its factorization.

2130979531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 2130979531 is about 46162.5338451000. The cubic root of 2130979531 is about 1286.8455529140.

The spelling of 2130979531 in words is "two billion, one hundred thirty million, nine hundred seventy-nine thousand, five hundred thirty-one".