213671401231800 has 96 divisors (see below), whose sum is σ = 662569046996400. Its totient is φ = 56962893818880.

The previous prime is 213671401231793. The next prime is 213671401231837. The reversal of 213671401231800 is 8132104176312.

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, 48338679 + ... + 52573478.

Almost surely, 2^{213671401231800} is an apocalyptic number.

213671401231800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213671401231800 is an abundant number, since it is smaller than the sum of its proper divisors (448897645764600).

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

213671401231800 is a wasteful number, since it uses less digits than its factorization.

213671401231800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100915705 (or 100915696 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 213671401231800 in words is "two hundred thirteen trillion, six hundred seventy-one billion, four hundred one million, two hundred thirty-one thousand, eight hundred".