1313241264 has 30 divisors (see below), whose sum is σ = 3675251996. Its totient is φ = 437747040.

The previous prime is 1313241263. The next prime is 1313241269. The reversal of 1313241264 is 4621423131.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1313241263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4559722 + ... + 4560009.

Almost surely, 2^1313241264 is an apocalyptic number.

It is an amenable number.

1313241264 is an abundant number, since it is smaller than the sum of its proper divisors (2362010732).

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

1313241264 is a wasteful number, since it uses less digits than its factorization.

1313241264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119745 (or 9119736 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1313241264 is about 36238.6708365525. The cubic root of 1313241264 is about 1095.0858655378.

Adding to 1313241264 its reverse (4621423131), we get a palindrome (5934664395).

The spelling of 1313241264 in words is "one billion, three hundred thirteen million, two hundred forty-one thousand, two hundred sixty-four".