163431161634311 has 8 divisors (see below), whose sum is σ = 165095903235648. Its totient is φ = 161767333980000.

The previous prime is 163431161634107. The next prime is 163431161634329. The reversal of 163431161634311 is 113436161134361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163431161634311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163431161637311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228127295 + ... + 228842576.

It is an arithmetic number, because the mean of its divisors is an integer number (20636987904456).

Almost surely, 2^{163431161634311} is an apocalyptic number.

163431161634311 is a deficient number, since it is larger than the sum of its proper divisors (1664741601337).

163431161634311 is a wasteful number, since it uses less digits than its factorization.

163431161634311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456973513.

The product of its digits is 279936, while the sum is 44.

The spelling of 163431161634311 in words is "one hundred sixty-three trillion, four hundred thirty-one billion, one hundred sixty-one million, six hundred thirty-four thousand, three hundred eleven".