2102192831 has 2 divisors, whose sum is σ = 2102192832. Its totient is φ = 2102192830.

The previous prime is 2102192809. The next prime is 2102192837. The reversal of 2102192831 is 1382912012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102192831 - 2¹⁰ = 2102191807 is a prime.

It is a super-2 number, since 2×2102192831² = 8838429397415589122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102192794 and 2102192803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102192837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051096415 + 1051096416.

It is an arithmetic number, because the mean of its divisors is an integer number (1051096416).

Almost surely, 2^2102192831 is an apocalyptic number.

2102192831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102192831 is an equidigital number, since it uses as much as digits as its factorization.

2102192831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 2102192831 is about 45849.6764546927. The cubic root of 2102192831 is about 1281.0247390905.

The spelling of 2102192831 in words is "two billion, one hundred two million, one hundred ninety-two thousand, eight hundred thirty-one".