2990131 has 2 divisors, whose sum is σ = 2990132. Its totient is φ = 2990130.

The previous prime is 2990123. The next prime is 2990137. The reversal of 2990131 is 1310992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2990131 - 2³ = 2990123 is a prime.

It is a super-2 number, since 2×2990131² = 17881766794322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2990096 and 2990105.

It is not a weakly prime, because it can be changed into another prime (2990137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495065 + 1495066.

It is an arithmetic number, because the mean of its divisors is an integer number (1495066).

2^2990131 is an apocalyptic number.

2990131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2990131 is an equidigital number, since it uses as much as digits as its factorization.

2990131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 2990131 is about 1729.1995257922. The cubic root of 2990131 is about 144.0666326142.

The spelling of 2990131 in words is "two million, nine hundred ninety thousand, one hundred thirty-one".