1313131160 has 32 divisors (see below), whose sum is σ = 3223141200. Its totient is φ = 477502080.

The previous prime is 1313131159. The next prime is 1313131219. The reversal of 1313131160 is 611313131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1491755 + ... + 1492634.

Almost surely, 2^1313131160 is an apocalyptic number.

1313131160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313131160 is an abundant number, since it is smaller than the sum of its proper divisors (1910010040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313131160 is a wasteful number, since it uses less digits than its factorization.

1313131160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984411 (or 2984407 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1313131160 is about 36237.1516540691. The cubic root of 1313131160 is about 1095.0552601679.

Adding to 1313131160 its reverse (611313131), we get a palindrome (1924444291).

The spelling of 1313131160 in words is "one billion, three hundred thirteen million, one hundred thirty-one thousand, one hundred sixty".