102912311 has 2 divisors, whose sum is σ = 102912312. Its totient is φ = 102912310.

The previous prime is 102912301. The next prime is 102912319. The reversal of 102912311 is 113219201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102912311 - 2¹⁰ = 102911287 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102912319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51456155 + 51456156.

It is an arithmetic number, because the mean of its divisors is an integer number (51456156).

Almost surely, 2^102912311 is an apocalyptic number.

102912311 is a deficient number, since it is larger than the sum of its proper divisors (1).

102912311 is an equidigital number, since it uses as much as digits as its factorization.

102912311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 102912311 is about 10144.5705182625. The cubic root of 102912311 is about 468.6217522693.

The spelling of 102912311 in words is "one hundred two million, nine hundred twelve thousand, three hundred eleven".