213121201132313 has 16 divisors (see below), whose sum is σ = 222627903463680. Its totient is φ = 203758654026816.

The previous prime is 213121201132291. The next prime is 213121201132321. The reversal of 213121201132313 is 313231102121312.

213121201132313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213121201132313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213121201132613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35981231 + ... + 41483627.

It is an arithmetic number, because the mean of its divisors is an integer number (13914243966480).

Almost surely, 2^{213121201132313} is an apocalyptic number.

It is an amenable number.

213121201132313 is a deficient number, since it is larger than the sum of its proper divisors (9506702331367).

213121201132313 is a wasteful number, since it uses less digits than its factorization.

213121201132313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515496.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 213121201132313 its reverse (313231102121312), we get a palindrome (526352303253625).

The spelling of 213121201132313 in words is "two hundred thirteen trillion, one hundred twenty-one billion, two hundred one million, one hundred thirty-two thousand, three hundred thirteen".