1313213002 has 16 divisors (see below), whose sum is σ = 2019850632. Its totient is φ = 640120320.

The previous prime is 1313212993. The next prime is 1313213021. The reversal of 1313213002 is 2003123131.

It can be written as a sum of positive squares in 4 ways, for example, as 102799321 + 1210413681 = 10139^2 + 34791^2 .

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, 33843 + ... + 61414.

Almost surely, 2^1313213002 is an apocalyptic number.

1313213002 is a deficient number, since it is larger than the sum of its proper divisors (706637630).

1313213002 is a wasteful number, since it uses less digits than its factorization.

1313213002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95433.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1313213002 is about 36238.2808918966. The cubic root of 1313213002 is about 1095.0780097742.

Adding to 1313213002 its reverse (2003123131), we get a palindrome (3316336133).

The spelling of 1313213002 in words is "one billion, three hundred thirteen million, two hundred thirteen thousand, two".