318877161101 has 4 divisors (see below), whose sum is σ = 335660169600. Its totient is φ = 302094152604.

The previous prime is 318877161049. The next prime is 318877161121. The reversal of 318877161101 is 101161778813.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318877161101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318877161121) 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, 8391504221 + ... + 8391504258.

It is an arithmetic number, because the mean of its divisors is an integer number (83915042400).

Almost surely, 2^318877161101 is an apocalyptic number.

It is an amenable number.

318877161101 is a deficient number, since it is larger than the sum of its proper divisors (16783008499).

318877161101 is a wasteful number, since it uses less digits than its factorization.

318877161101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16783008498.

The product of its (nonzero) digits is 56448, while the sum is 44.

The spelling of 318877161101 in words is "three hundred eighteen billion, eight hundred seventy-seven million, one hundred sixty-one thousand, one hundred one".