1367161321931 has 8 divisors (see below), whose sum is σ = 1439943819600. Its totient is φ = 1294461488160.

The previous prime is 1367161321919. The next prime is 1367161321987. The reversal of 1367161321931 is 1391231617631.

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-1367161321931 is a prime.

It is a super-2 number, since 2×1367161321931² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1367161326931) 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, 20632016 + ... + 20698173.

It is an arithmetic number, because the mean of its divisors is an integer number (179992977450).

Almost surely, 2^{1367161321931} is an apocalyptic number.

1367161321931 is a deficient number, since it is larger than the sum of its proper divisors (72782497669).

1367161321931 is a wasteful number, since it uses less digits than its factorization.

1367161321931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41331949.

The product of its digits is 122472, while the sum is 44.

The spelling of 1367161321931 in words is "one trillion, three hundred sixty-seven billion, one hundred sixty-one million, three hundred twenty-one thousand, nine hundred thirty-one".