1316556131 has 8 divisors (see below), whose sum is σ = 1438430400. Its totient is φ = 1195046440.

The previous prime is 1316556119. The next prime is 1316556161.

1316556131 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 1316556131 - 2⁶ = 1316556067 is a prime.

It is a super-2 number, since 2×1316556131² = 3466640092147378322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1316556161) 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, 83561 + ... + 98058.

It is an arithmetic number, because the mean of its divisors is an integer number (179803800).

Almost surely, 2^1316556131 is an apocalyptic number.

1316556131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1316556131 is a deficient number, since it is larger than the sum of its proper divisors (121874269).

1316556131 is a wasteful number, since it uses less digits than its factorization.

1316556131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182289.

The product of its digits is 8100, while the sum is 32.

The square root of 1316556131 is about 36284.3786084315. The cubic root of 1316556131 is about 1096.0064919941.

It can be divided in two parts, 13165 and 56131, that added together give a palindrome (69296).

The spelling of 1316556131 in words is "one billion, three hundred sixteen million, five hundred fifty-six thousand, one hundred thirty-one".