213031001233100 has 18 divisors (see below), whose sum is σ = 462277272676044. Its totient is φ = 85212400493200.

The previous prime is 213031001233031. The next prime is 213031001233123. The reversal of 213031001233100 is 1332100130312.

It is a super-2 number, since 2×213031001233100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1065155006066 + ... + 1065155006265.

Almost surely, 2^{213031001233100} is an apocalyptic number.

213031001233100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213031001233100 is an abundant number, since it is smaller than the sum of its proper divisors (249246271442944).

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

213031001233100 is a wasteful number, since it uses less digits than its factorization.

213031001233100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130310012345 (or 2130310012338 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 213031001233100 its reverse (1332100130312), we get a palindrome (214363101363412).

The spelling of 213031001233100 in words is "two hundred thirteen trillion, thirty-one billion, one million, two hundred thirty-three thousand, one hundred".