102112331 has 2 divisors, whose sum is σ = 102112332. Its totient is φ = 102112330.

The previous prime is 102112321. The next prime is 102112333. The reversal of 102112331 is 133211201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102112331 - 2¹⁴ = 102095947 is a prime.

It is a super-2 number, since 2×102112331² = 20853856284507122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 102112333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102112333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056165 + 51056166.

It is an arithmetic number, because the mean of its divisors is an integer number (51056166).

Almost surely, 2^102112331 is an apocalyptic number.

102112331 is a deficient number, since it is larger than the sum of its proper divisors (1).

102112331 is an equidigital number, since it uses as much as digits as its factorization.

102112331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 102112331 is about 10105.0646212679. The cubic root of 102112331 is about 467.4043286550.

Adding to 102112331 its reverse (133211201), we get a palindrome (235323532).

The spelling of 102112331 in words is "one hundred two million, one hundred twelve thousand, three hundred thirty-one".