1313453502 has 32 divisors (see below), whose sum is σ = 3045692160. Its totient is φ = 418781880.

The previous prime is 1313453501. The next prime is 1313453509. The reversal of 1313453502 is 2053543131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313453501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527524 + ... + 530007.

It is an arithmetic number, because the mean of its divisors is an integer number (95177880).

Almost surely, 2^1313453502 is an apocalyptic number.

1313453502 is an abundant number, since it is smaller than the sum of its proper divisors (1732238658).

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

1313453502 is a wasteful number, since it uses less digits than its factorization.

1313453502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057565 (or 1057559 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1313453502 is about 36241.5990541256. The cubic root of 1313453502 is about 1095.1448560475.

Adding to 1313453502 its reverse (2053543131), we get a palindrome (3366996633).

The spelling of 1313453502 in words is "one billion, three hundred thirteen million, four hundred fifty-three thousand, five hundred two".