231203200133000 has 64 divisors (see below), whose sum is σ = 542173980816000. Its totient is φ = 92283247147200.

The previous prime is 231203200132999. The next prime is 231203200133011. The reversal of 231203200133000 is 331002302132.

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 15 ways as a sum of consecutive naturals, for example, 247073900 + ... + 248007899.

It is an arithmetic number, because the mean of its divisors is an integer number (8471468450250).

Almost surely, 2^{231203200133000} is an apocalyptic number.

231203200133000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231203200133000 is an abundant number, since it is smaller than the sum of its proper divisors (310970780683000).

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

231203200133000 is a wasteful number, since it uses less digits than its factorization.

231203200133000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495082287 (or 495082273 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 231203200133000 its reverse (331002302132), we get a palindrome (231534202435132).

The spelling of 231203200133000 in words is "two hundred thirty-one trillion, two hundred three billion, two hundred million, one hundred thirty-three thousand".