102312319 has 4 divisors (see below), whose sum is σ = 105840360. Its totient is φ = 98784280.

The previous prime is 102312317. The next prime is 102312323. The reversal of 102312319 is 913213201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913213201 = 857 ⋅1065593.

It is a cyclic number.

It is not a de Polignac number, because 102312319 - 2¹ = 102312317 is a prime.

It is a super-2 number, since 2×102312319² = 20935621238315522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102312319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102312317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1763977 + ... + 1764034.

It is an arithmetic number, because the mean of its divisors is an integer number (26460090).

Almost surely, 2^102312319 is an apocalyptic number.

102312319 is a deficient number, since it is larger than the sum of its proper divisors (3528041).

102312319 is an equidigital number, since it uses as much as digits as its factorization.

102312319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528040.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 102312319 is about 10114.9552149280. The cubic root of 102312319 is about 467.7092683170.

The spelling of 102312319 in words is "one hundred two million, three hundred twelve thousand, three hundred nineteen".