1313013132 has 48 divisors (see below), whose sum is σ = 3406821600. Its totient is φ = 437322240.

The previous prime is 1313013047. The next prime is 1313013209. The reversal of 1313013132 is 2313103131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155844 + ... + 164052.

It is an arithmetic number, because the mean of its divisors is an integer number (70975450).

Almost surely, 2^1313013132 is an apocalyptic number.

1313013132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1313013132 is an abundant number, since it is smaller than the sum of its proper divisors (2093808468).

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

1313013132 is a wasteful number, since it uses less digits than its factorization.

1313013132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9703 (or 9695 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1313013132 is about 36235.5230678405. The cubic root of 1313013132 is about 1095.0224502809.

Adding to 1313013132 its reverse (2313103131), we get a palindrome (3626116263).

It can be divided in two parts, 13130 and 13132, that added together give a palindrome (26262).

The spelling of 1313013132 in words is "one billion, three hundred thirteen million, thirteen thousand, one hundred thirty-two".