1313241996 has 96 divisors (see below), whose sum is σ = 3405265920. Its totient is φ = 390592000.

The previous prime is 1313241983. The next prime is 1313241997. The reversal of 1313241996 is 6991423131.

It is a happy number.

1313241996 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1313241997) 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, 1826125 + ... + 1826843.

It is an arithmetic number, because the mean of its divisors is an integer number (35471520).

Almost surely, 2^1313241996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313241996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1702632960).

1313241996 is an abundant number, since it is smaller than the sum of its proper divisors (2092023924).

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

1313241996 is a wasteful number, since it uses less digits than its factorization.

1313241996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975 (or 973 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 1313241996 is about 36238.6809362593. The cubic root of 1313241996 is about 1095.0860690045.

The spelling of 1313241996 in words is "one billion, three hundred thirteen million, two hundred forty-one thousand, nine hundred ninety-six".