1313222132 has 12 divisors (see below), whose sum is σ = 2298801120. Its totient is φ = 656421816.

The previous prime is 1313222111. The next prime is 1313222147. The reversal of 1313222132 is 2312223131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31082 + ... + 59937.

It is an arithmetic number, because the mean of its divisors is an integer number (191566760).

Almost surely, 2^1313222132 is an apocalyptic number.

It is an amenable number.

1313222132 is a deficient number, since it is larger than the sum of its proper divisors (985578988).

1313222132 is a wasteful number, since it uses less digits than its factorization.

1313222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94630 (or 94628 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 1313222132 is about 36238.4068634370. The cubic root of 1313222132 is about 1095.0805475801.

Adding to 1313222132 its reverse (2312223131), we get a palindrome (3625445263).

Subtracting 1313222132 from its reverse (2312223131), we obtain a palindrome (999000999).

The spelling of 1313222132 in words is "one billion, three hundred thirteen million, two hundred twenty-two thousand, one hundred thirty-two".