103077998321 has 4 divisors (see below), whose sum is σ = 103078801392. Its totient is φ = 103077195252.

The previous prime is 103077998297. The next prime is 103077998363. The reversal of 103077998321 is 123899770301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 103077998321 - 2²² = 103073804017 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 103077998321.

It is not an unprimeable number, because it can be changed into a prime (103077998021) 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, 160955 + ... + 481728.

It is an arithmetic number, because the mean of its divisors is an integer number (25769700348).

Almost surely, 2^103077998321 is an apocalyptic number.

It is an amenable number.

103077998321 is a deficient number, since it is larger than the sum of its proper divisors (803071).

103077998321 is an equidigital number, since it uses as much as digits as its factorization.

103077998321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803070.

The product of its (nonzero) digits is 571536, while the sum is 50.

The spelling of 103077998321 in words is "one hundred three billion, seventy-seven million, nine hundred ninety-eight thousand, three hundred twenty-one".