1313123302 has 16 divisors (see below), whose sum is σ = 1987801200. Its totient is φ = 650538720.

The previous prime is 1313123297. The next prime is 1313123309. The reversal of 1313123302 is 2033213131.

It is a self number, because there is not a number n which added to its sum of digits gives 1313123302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313123309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182224 + ... + 189292.

It is an arithmetic number, because the mean of its divisors is an integer number (124237575).

Almost surely, 2^1313123302 is an apocalyptic number.

1313123302 is a deficient number, since it is larger than the sum of its proper divisors (674677898).

1313123302 is a wasteful number, since it uses less digits than its factorization.

1313123302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7911.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1313123302 is about 36237.0432292702. The cubic root of 1313123302 is about 1095.0530758313.

Adding to 1313123302 its reverse (2033213131), we get a palindrome (3346336433).

The spelling of 1313123302 in words is "one billion, three hundred thirteen million, one hundred twenty-three thousand, three hundred two".