1313223412 has 48 divisors (see below), whose sum is σ = 2481772608. Its totient is φ = 605811200.

The previous prime is 1313223409. The next prime is 1313223419. The reversal of 1313223412 is 2143223131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313223419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733983 + ... + 735769.

It is an arithmetic number, because the mean of its divisors is an integer number (51703596).

Almost surely, 2^1313223412 is an apocalyptic number.

It is an amenable number.

1313223412 is a deficient number, since it is larger than the sum of its proper divisors (1168549196).

1313223412 is a wasteful number, since it uses less digits than its factorization.

1313223412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 2014 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 1313223412 is about 36238.4245242533. The cubic root of 1313223412 is about 1095.0809033723.

Adding to 1313223412 its reverse (2143223131), we get a palindrome (3456446543).

The spelling of 1313223412 in words is "one billion, three hundred thirteen million, two hundred twenty-three thousand, four hundred twelve".