1312513202 has 32 divisors (see below), whose sum is σ = 2643387264. Its totient is φ = 472032000.

The previous prime is 1312513201. The next prime is 1312513207. The reversal of 1312513202 is 2023152131.

It is not an unprimeable number, because it can be changed into a prime (1312513201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325799 + ... + 329802.

It is an arithmetic number, because the mean of its divisors is an integer number (82605852).

Almost surely, 2^1312513202 is an apocalyptic number.

1312513202 is an abundant number, since it is smaller than the sum of its proper divisors (1330874062).

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

1312513202 is a wasteful number, since it uses less digits than its factorization.

1312513202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655634.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1312513202 is about 36228.6240699257. The cubic root of 1312513202 is about 1094.8834559699.

Adding to 1312513202 its reverse (2023152131), we get a palindrome (3335665333).

The spelling of 1312513202 in words is "one billion, three hundred twelve million, five hundred thirteen thousand, two hundred two".