213231130102 has 16 divisors (see below), whose sum is σ = 338540857200. Its totient is φ = 100446181920.

The previous prime is 213231130097. The next prime is 213231130187. The reversal of 213231130102 is 201031132312.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 213231130102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15494077 + ... + 15507832.

It is an arithmetic number, because the mean of its divisors is an integer number (21158803575).

Almost surely, 2^213231130102 is an apocalyptic number.

213231130102 is a deficient number, since it is larger than the sum of its proper divisors (125309727098).

213231130102 is a wasteful number, since it uses less digits than its factorization.

213231130102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31002111.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213231130102 its reverse (201031132312), we get a palindrome (414262262414).

The spelling of 213231130102 in words is "two hundred thirteen billion, two hundred thirty-one million, one hundred thirty thousand, one hundred two".