213020131313311 has 12 divisors (see below), whose sum is σ = 247815947080800. Its totient is φ = 182576143800960.

The previous prime is 213020131313299. The next prime is 213020131313329. The reversal of 213020131313311 is 113313131020312.

It is not a de Polignac number, because 213020131313311 - 2⁵ = 213020131313279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213020131317311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148567111 + ... + 149994088.

It is an arithmetic number, because the mean of its divisors is an integer number (20651328923400).

Almost surely, 2^{213020131313311} is an apocalyptic number.

213020131313311 is a deficient number, since it is larger than the sum of its proper divisors (34795815767489).

213020131313311 is a wasteful number, since it uses less digits than its factorization.

213020131313311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298575774 (or 298575767 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 213020131313311 its reverse (113313131020312), we get a palindrome (326333262333623).

The spelling of 213020131313311 in words is "two hundred thirteen trillion, twenty billion, one hundred thirty-one million, three hundred thirteen thousand, three hundred eleven".