1313243204 has 48 divisors (see below), whose sum is σ = 2919791616. Its totient is φ = 502761600.

The previous prime is 1313243179. The next prime is 1313243219. The reversal of 1313243204 is 4023423131.

It is a self number, because there is not a number n which added to its sum of digits gives 1313243204.

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, 46907 + ... + 69474.

It is an arithmetic number, because the mean of its divisors is an integer number (60828992).

Almost surely, 2^1313243204 is an apocalyptic number.

1313243204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1313243204 is an abundant number, since it is smaller than the sum of its proper divisors (1606548412).

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

1313243204 is a wasteful number, since it uses less digits than its factorization.

1313243204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116436 (or 116434 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1313243204 is about 36238.6976035287. The cubic root of 1313243204 is about 1095.0864047801.

Adding to 1313243204 its reverse (4023423131), we get a palindrome (5336666335).

The spelling of 1313243204 in words is "one billion, three hundred thirteen million, two hundred forty-three thousand, two hundred four".