213155323000 has 32 divisors (see below), whose sum is σ = 498783458160. Its totient is φ = 85262128800.

The previous prime is 213155322983. The next prime is 213155323013. The reversal of 213155323000 is 323551312.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 106576662 + ... + 106578661.

Almost surely, 2^213155323000 is an apocalyptic number.

213155323000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213155323000 is an abundant number, since it is smaller than the sum of its proper divisors (285628135160).

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

213155323000 is a wasteful number, since it uses less digits than its factorization.

213155323000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213155344 (or 213155330 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 213155323000 its reverse (323551312), we get a palindrome (213478874312).

The spelling of 213155323000 in words is "two hundred thirteen billion, one hundred fifty-five million, three hundred twenty-three thousand".