2190415831 has 2 divisors, whose sum is σ = 2190415832. Its totient is φ = 2190415830.

The previous prime is 2190415823. The next prime is 2190415841. The reversal of 2190415831 is 1385140912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2190415831 - 2³ = 2190415823 is a prime.

It is a super-2 number, since 2×2190415831² = 9595843025390841122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2190415811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095207915 + 1095207916.

It is an arithmetic number, because the mean of its divisors is an integer number (1095207916).

Almost surely, 2^2190415831 is an apocalyptic number.

2190415831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190415831 is an equidigital number, since it uses as much as digits as its factorization.

2190415831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 2190415831 is about 46801.8784986244. The cubic root of 2190415831 is about 1298.7000478663.

The spelling of 2190415831 in words is "two billion, one hundred ninety million, four hundred fifteen thousand, eight hundred thirty-one".