1313211202 has 8 divisors (see below), whose sum is σ = 1983037500. Its totient is φ = 652198704.

The previous prime is 1313211187. The next prime is 1313211209. The reversal of 1313211202 is 2021123131.

It can be written as a sum of positive squares in 2 ways, for example, as 1312540441 + 670761 = 36229^2 + 819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1313211202² = 3449047322116569608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313211209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2203077 + ... + 2203672.

Almost surely, 2^1313211202 is an apocalyptic number.

1313211202 is a deficient number, since it is larger than the sum of its proper divisors (669826298).

1313211202 is a wasteful number, since it uses less digits than its factorization.

1313211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406900.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1313211202 is about 36238.2560562729. The cubic root of 1313211202 is about 1095.0775094387.

Adding to 1313211202 its reverse (2021123131), we get a palindrome (3334334333).

The spelling of 1313211202 in words is "one billion, three hundred thirteen million, two hundred eleven thousand, two hundred two".