102311983 has 2 divisors, whose sum is σ = 102311984. Its totient is φ = 102311982.

The previous prime is 102311969. The next prime is 102311999. The reversal of 102311983 is 389113201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102311983 - 2²¹ = 100214831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102311953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51155991 + 51155992.

It is an arithmetic number, because the mean of its divisors is an integer number (51155992).

Almost surely, 2^102311983 is an apocalyptic number.

102311983 is a deficient number, since it is larger than the sum of its proper divisors (1).

102311983 is an equidigital number, since it uses as much as digits as its factorization.

102311983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 102311983 is about 10114.9386058443. The cubic root of 102311983 is about 467.7087563210.

The spelling of 102311983 in words is "one hundred two million, three hundred eleven thousand, nine hundred eighty-three".