213131313211102 has 48 divisors (see below), whose sum is σ = 378436553651520. Its totient is φ = 89424983545920.

The previous prime is 213131313211073. The next prime is 213131313211129. The reversal of 213131313211102 is 201112313131312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 549818283 + ... + 550205785.

It is an arithmetic number, because the mean of its divisors is an integer number (7884094867740).

Almost surely, 2^{213131313211102} is an apocalyptic number.

213131313211102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213131313211102 is a deficient number, since it is larger than the sum of its proper divisors (165305240440418).

213131313211102 is a wasteful number, since it uses less digits than its factorization.

213131313211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562369 (or 562358 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 213131313211102 its reverse (201112313131312), we get a palindrome (414243626342414).

The spelling of 213131313211102 in words is "two hundred thirteen trillion, one hundred thirty-one billion, three hundred thirteen million, two hundred eleven thousand, one hundred two".