1317667131 has 18 divisors (see below), whose sum is σ = 2092055420. Its totient is φ = 798585480.

The previous prime is 1317667097. The next prime is 1317667147.

It is a happy number.

1317667131 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1317667131 - 2⁷ = 1317667003 is a prime.

It is a super-2 number, since 2×1317667131² = 3472493336235542322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1317667181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 603901 + ... + 606078.

Almost surely, 2^1317667131 is an apocalyptic number.

1317667131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1317667131 is a deficient number, since it is larger than the sum of its proper divisors (774388289).

1317667131 is a wasteful number, since it uses less digits than its factorization.

1317667131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210007 (or 1209993 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 1317667131 is about 36299.6849986333. The cubic root of 1317667131 is about 1096.3147003640.

The spelling of 1317667131 in words is "one billion, three hundred seventeen million, six hundred sixty-seven thousand, one hundred thirty-one".