2190239131 has 2 divisors, whose sum is σ = 2190239132. Its totient is φ = 2190239130.

The previous prime is 2190239083. The next prime is 2190239171. The reversal of 2190239131 is 1319320912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2190239131 - 2²¹ = 2188141979 is a prime.

It is a super-2 number, since 2×2190239131² = 9594294901927270322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2190239093 and 2190239102.

It is not a weakly prime, because it can be changed into another prime (2190239171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095119565 + 1095119566.

It is an arithmetic number, because the mean of its divisors is an integer number (1095119566).

Almost surely, 2^2190239131 is an apocalyptic number.

2190239131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190239131 is an equidigital number, since it uses as much as digits as its factorization.

2190239131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 2190239131 is about 46799.9907158110. The cubic root of 2190239131 is about 1298.6651250499.

The spelling of 2190239131 in words is "two billion, one hundred ninety million, two hundred thirty-nine thousand, one hundred thirty-one".