1313130002 has 4 divisors (see below), whose sum is σ = 1969695006. Its totient is φ = 656565000.

The previous prime is 1313129989. The next prime is 1313130029. The reversal of 1313130002 is 2000313131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 774008041 + 539121961 = 27821^2 + 23219^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328282499 + ... + 328282502.

Almost surely, 2^1313130002 is an apocalyptic number.

1313130002 is a deficient number, since it is larger than the sum of its proper divisors (656565004).

1313130002 is an equidigital number, since it uses as much as digits as its factorization.

1313130002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656565003.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1313130002 is about 36237.1356759885. The cubic root of 1313130002 is about 1095.0549382721.

Adding to 1313130002 its reverse (2000313131), we get a palindrome (3313443133).

The spelling of 1313130002 in words is "one billion, three hundred thirteen million, one hundred thirty thousand, two".