31670467323161 has 16 divisors (see below), whose sum is σ = 34504116091200. Its totient is φ = 28954529892288.

The previous prime is 31670467323109. The next prime is 31670467323203. The reversal of 31670467323161 is 16132376407613.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31670467323161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31670467323461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13244366 + ... + 15451671.

It is an arithmetic number, because the mean of its divisors is an integer number (2156507255700).

Almost surely, 2^{31670467323161} is an apocalyptic number.

It is an amenable number.

31670467323161 is a deficient number, since it is larger than the sum of its proper divisors (2833648768039).

31670467323161 is a wasteful number, since it uses less digits than its factorization.

31670467323161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28698088.

The product of its (nonzero) digits is 2286144, while the sum is 50.

The spelling of 31670467323161 in words is "thirty-one trillion, six hundred seventy billion, four hundred sixty-seven million, three hundred twenty-three thousand, one hundred sixty-one".