213231130312100 has 36 divisors (see below), whose sum is σ = 463069966344048. Its totient is φ = 85226385108000.

The previous prime is 213231130312097. The next prime is 213231130312147. The reversal of 213231130312100 is 1213031132312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825707966 + ... + 825966165.

It is an arithmetic number, because the mean of its divisors is an integer number (12863054620668).

Almost surely, 2^{213231130312100} is an apocalyptic number.

213231130312100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213231130312100 is an abundant number, since it is smaller than the sum of its proper divisors (249838836031948).

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

213231130312100 is a wasteful number, since it uses less digits than its factorization.

213231130312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651675436 (or 1651675429 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 213231130312100 its reverse (1213031132312), we get a palindrome (214444161444412).

The spelling of 213231130312100 in words is "two hundred thirteen trillion, two hundred thirty-one billion, one hundred thirty million, three hundred twelve thousand, one hundred".