1313151213 has 32 divisors (see below), whose sum is σ = 2110344192. Its totient is φ = 716460800.

The previous prime is 1313151181. The next prime is 1313151251. The reversal of 1313151213 is 3121513131.

It is not a de Polignac number, because 1313151213 - 2⁵ = 1313151181 is a prime.

It is a super-2 number, since 2×1313151213² = 3448732216406742738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1313151213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313151253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37983 + ... + 63788.

It is an arithmetic number, because the mean of its divisors is an integer number (65948256).

Almost surely, 2^1313151213 is an apocalyptic number.

It is an amenable number.

1313151213 is a deficient number, since it is larger than the sum of its proper divisors (797192979).

1313151213 is a wasteful number, since it uses less digits than its factorization.

1313151213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101825.

The product of its digits is 270, while the sum is 21.

The square root of 1313151213 is about 36237.4283441858. The cubic root of 1313151213 is about 1095.0608343842.

Adding to 1313151213 its reverse (3121513131), we get a palindrome (4434664344).

The spelling of 1313151213 in words is "one billion, three hundred thirteen million, one hundred fifty-one thousand, two hundred thirteen".