102981318479 has 4 divisors (see below), whose sum is σ = 110902958376. Its totient is φ = 95059678584.

The previous prime is 102981318437. The next prime is 102981318487. The reversal of 102981318479 is 974813189201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974813189201 = 761389 ⋅1280309.

It is not a de Polignac number, because 102981318479 - 2¹² = 102981314383 is a prime.

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 102981318479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102981312479) 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, 3960819929 + ... + 3960819954.

It is an arithmetic number, because the mean of its divisors is an integer number (27725739594).

Almost surely, 2^102981318479 is an apocalyptic number.

102981318479 is a deficient number, since it is larger than the sum of its proper divisors (7921639897).

102981318479 is an equidigital number, since it uses as much as digits as its factorization.

102981318479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7921639896.

The product of its (nonzero) digits is 870912, while the sum is 53.

The spelling of 102981318479 in words is "one hundred two billion, nine hundred eighty-one million, three hundred eighteen thousand, four hundred seventy-nine".