1313043452 has 24 divisors (see below), whose sum is σ = 2643486720. Its totient is φ = 559004400.

The previous prime is 1313043439. The next prime is 1313043497. The reversal of 1313043452 is 2543403131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151052 + ... + 159507.

It is an arithmetic number, because the mean of its divisors is an integer number (110145280).

Almost surely, 2^1313043452 is an apocalyptic number.

It is an amenable number.

1313043452 is an abundant number, since it is smaller than the sum of its proper divisors (1330443268).

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

1313043452 is a wasteful number, since it uses less digits than its factorization.

1313043452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310721 (or 310719 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1313043452 is about 36235.9414394052. The cubic root of 1313043452 is about 1095.0308789413.

Adding to 1313043452 its reverse (2543403131), we get a palindrome (3856446583).

The spelling of 1313043452 in words is "one billion, three hundred thirteen million, forty-three thousand, four hundred fifty-two".