1317251132 has 24 divisors (see below), whose sum is σ = 2381955072. Its totient is φ = 636735600.

The previous prime is 1317251119. The next prime is 1317251149. The reversal of 1317251132 is 2311527131.

It is a super-3 number, since 3×1317251132³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131957 + ... + 141587.

It is an arithmetic number, because the mean of its divisors is an integer number (99248128).

Almost surely, 2^1317251132 is an apocalyptic number.

It is an amenable number.

1317251132 is a deficient number, since it is larger than the sum of its proper divisors (1064703940).

1317251132 is a wasteful number, since it uses less digits than its factorization.

1317251132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10769 (or 10767 counting only the distinct ones).

The product of its digits is 1260, while the sum is 26.

The square root of 1317251132 is about 36293.9544828061. The cubic root of 1317251132 is about 1096.1993161846.

Adding to 1317251132 its reverse (2311527131), we get a palindrome (3628778263).

The spelling of 1317251132 in words is "one billion, three hundred seventeen million, two hundred fifty-one thousand, one hundred thirty-two".