1313301236 has 96 divisors (see below), whose sum is σ = 2662689792. Its totient is φ = 562360320.

The previous prime is 1313301233. The next prime is 1313301247. The reversal of 1313301236 is 6321033131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313301233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5785355 + ... + 5785581.

It is an arithmetic number, because the mean of its divisors is an integer number (27736352).

Almost surely, 2^1313301236 is an apocalyptic number.

It is an amenable number.

1313301236 is an abundant number, since it is smaller than the sum of its proper divisors (1349388556).

1313301236 is a wasteful number, since it uses less digits than its factorization.

1313301236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 1313301236 is about 36239.4982857103. The cubic root of 1313301236 is about 1095.1025351048.

Adding to 1313301236 its reverse (6321033131), we get a palindrome (7634334367).

The spelling of 1313301236 in words is "one billion, three hundred thirteen million, three hundred one thousand, two hundred thirty-six".