1167170131 has 4 divisors (see below), whose sum is σ = 1167244200. Its totient is φ = 1167096064.

The previous prime is 1167170111. The next prime is 1167170149. The reversal of 1167170131 is 1310717611.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1167170131 is a prime.

It is a super-2 number, since 2×1167170131² = 2724572229397114322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1167170131.

It is not an unprimeable number, because it can be changed into a prime (1167170111) 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, 2926 + ... + 48403.

It is an arithmetic number, because the mean of its divisors is an integer number (291811050).

Almost surely, 2^1167170131 is an apocalyptic number.

1167170131 is a deficient number, since it is larger than the sum of its proper divisors (74069).

1167170131 is an equidigital number, since it uses as much as digits as its factorization.

1167170131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74068.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 1167170131 is about 34163.8717214545. The cubic root of 1167170131 is about 1052.8780093447.

Adding to 1167170131 its reverse (1310717611), we get a palindrome (2477887742).

The spelling of 1167170131 in words is "one billion, one hundred sixty-seven million, one hundred seventy thousand, one hundred thirty-one".