102918311 has 2 divisors, whose sum is σ = 102918312. Its totient is φ = 102918310.

The previous prime is 102918281. The next prime is 102918317. The reversal of 102918311 is 113819201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102918311 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102918317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51459155 + 51459156.

It is an arithmetic number, because the mean of its divisors is an integer number (51459156).

Almost surely, 2^102918311 is an apocalyptic number.

102918311 is a deficient number, since it is larger than the sum of its proper divisors (1).

102918311 is an equidigital number, since it uses as much as digits as its factorization.

102918311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 102918311 is about 10144.8662386450. The cubic root of 102918311 is about 468.6308592972.

The spelling of 102918311 in words is "one hundred two million, nine hundred eighteen thousand, three hundred eleven".