1313223032 has 16 divisors (see below), whose sum is σ = 2686138200. Its totient is φ = 596919520.

The previous prime is 1313223031. The next prime is 1313223049. The reversal of 1313223032 is 2303223131.

It is a junction number, because it is equal to n+sod(n) for n = 1313222995 and 1313223013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313223031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7461407 + ... + 7461582.

Almost surely, 2^1313223032 is an apocalyptic number.

It is an amenable number.

1313223032 is an abundant number, since it is smaller than the sum of its proper divisors (1372915168).

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

1313223032 is a wasteful number, since it uses less digits than its factorization.

1313223032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14923006 (or 14923002 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1313223032 is about 36238.4192811993. The cubic root of 1313223032 is about 1095.0807977465.

Adding to 1313223032 its reverse (2303223131), we get a palindrome (3616446163).

Subtracting 1313223032 from its reverse (2303223131), we obtain a palindrome (990000099).

The spelling of 1313223032 in words is "one billion, three hundred thirteen million, two hundred twenty-three thousand, thirty-two".