103279131485 has 4 divisors (see below), whose sum is σ = 123934957788. Its totient is φ = 82623305184.

The previous prime is 103279131443. The next prime is 103279131499. The reversal of 103279131485 is 584131972301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22512901849 + 80766229636 = 150043^2 + 284194^2 .

It is a cyclic number.

It is not a de Polignac number, because 103279131485 - 2⁸ = 103279131229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10327913144 + ... + 10327913153.

It is an arithmetic number, because the mean of its divisors is an integer number (30983739447).

Almost surely, 2^103279131485 is an apocalyptic number.

It is an amenable number.

103279131485 is a deficient number, since it is larger than the sum of its proper divisors (20655826303).

103279131485 is an equidigital number, since it uses as much as digits as its factorization.

103279131485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20655826302.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 103279131485 in words is "one hundred three billion, two hundred seventy-nine million, one hundred thirty-one thousand, four hundred eighty-five".