21032300031000 has 128 divisors (see below), whose sum is σ = 65622348192960. Its totient is φ = 5608478976000.

The previous prime is 21032300030941. The next prime is 21032300031049. The reversal of 21032300031000 is 13000323012.

It is a super-2 number, since 2×21032300031000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 232517782 + ... + 232608218.

Almost surely, 2^{21032300031000} is an apocalyptic number.

21032300031000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21032300031000 is an abundant number, since it is smaller than the sum of its proper divisors (44590048161960).

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

21032300031000 is a wasteful number, since it uses less digits than its factorization.

21032300031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167982 (or 167968 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 21032300031000 its reverse (13000323012), we get a palindrome (21045300354012).

The spelling of 21032300031000 in words is "twenty-one trillion, thirty-two billion, three hundred million, thirty-one thousand".