213131102130232 has 384 divisors, whose sum is σ = 488591971358400. Its totient is φ = 86524720128000.

The previous prime is 213131102130217. The next prime is 213131102130269. The reversal of 213131102130232 is 232031201131312.

It is a junction number, because it is equal to n+sod(n) for n = 213131102130197 and 213131102130206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36327098163 + ... + 36327104029.

Almost surely, 2^{213131102130232} is an apocalyptic number.

213131102130232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213131102130232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244295985679200).

213131102130232 is an abundant number, since it is smaller than the sum of its proper divisors (275460869228168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213131102130232 is a wasteful number, since it uses less digits than its factorization.

213131102130232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519 (or 6504 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 213131102130232 its reverse (232031201131312), we get a palindrome (445162303261544).

The spelling of 213131102130232 in words is "two hundred thirteen trillion, one hundred thirty-one billion, one hundred two million, one hundred thirty thousand, two hundred thirty-two".