102243313919 has 4 divisors (see below), whose sum is σ = 102253221000. Its totient is φ = 102233406840.

The previous prime is 102243313901. The next prime is 102243313967. The reversal of 102243313919 is 919313342201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 919313342201 = 91807 ⋅10013543.

It is a cyclic number.

It is not a de Polignac number, because 102243313919 - 2¹² = 102243309823 is a prime.

It is a super-2 number, since 2×102243313919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102243313999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4938044 + ... + 4958705.

It is an arithmetic number, because the mean of its divisors is an integer number (25563305250).

Almost surely, 2^102243313919 is an apocalyptic number.

102243313919 is a deficient number, since it is larger than the sum of its proper divisors (9907081).

102243313919 is an equidigital number, since it uses as much as digits as its factorization.

102243313919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9907080.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 102243313919 in words is "one hundred two billion, two hundred forty-three million, three hundred thirteen thousand, nine hundred nineteen".