203213213031000 has 128 divisors (see below), whose sum is σ = 638865113103360. Its totient is φ = 53776524464000.

The previous prime is 203213213030999. The next prime is 203213213031077. The reversal of 203213213031000 is 130312312302.

It is a super-2 number, since 2×203213213031000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258147984 + ... + 258933983.

It is an arithmetic number, because the mean of its divisors is an integer number (4991133696120).

Almost surely, 2^{203213213031000} is an apocalyptic number.

203213213031000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203213213031000 is an abundant number, since it is smaller than the sum of its proper divisors (435651900072360).

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

203213213031000 is a wasteful number, since it uses less digits than its factorization.

203213213031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517082122 (or 517082108 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 203213213031000 its reverse (130312312302), we get a palindrome (203343525343302).

The spelling of 203213213031000 in words is "two hundred three trillion, two hundred thirteen billion, two hundred thirteen million, thirty-one thousand".