201324031000 has 64 divisors (see below), whose sum is σ = 475501272480. Its totient is φ = 79776956800.

The previous prime is 201324030991. The next prime is 201324031021. The reversal of 201324031000 is 130423102.

It is a happy number.

It is a super-2 number, since 2×201324031000² (a number of 23 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 15 ways as a sum of consecutive naturals, for example, 833767 + ... + 1047766.

Almost surely, 2^201324031000 is an apocalyptic number.

201324031000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201324031000 is an abundant number, since it is smaller than the sum of its proper divisors (274177241480).

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

201324031000 is a wasteful number, since it uses less digits than its factorization.

201324031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881661 (or 1881647 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 201324031000 its reverse (130423102), we get a palindrome (201454454102).

The spelling of 201324031000 in words is "two hundred one billion, three hundred twenty-four million, thirty-one thousand".