21031200032293 has 8 divisors (see below), whose sum is σ = 23734269629280. Its totient is φ = 18459987488880.

The previous prime is 21031200032287. The next prime is 21031200032341. The reversal of 21031200032293 is 39223000213012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21031200032293 - 2⁵ = 21031200032261 is a prime.

It is a super-2 number, since 2×21031200032293² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21031200032693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32964263055 + ... + 32964263692.

It is an arithmetic number, because the mean of its divisors is an integer number (2966783703660).

Almost surely, 2^{21031200032293} is an apocalyptic number.

It is an amenable number.

21031200032293 is a deficient number, since it is larger than the sum of its proper divisors (2703069596987).

21031200032293 is a wasteful number, since it uses less digits than its factorization.

21031200032293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65928526787.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 21031200032293 in words is "twenty-one trillion, thirty-one billion, two hundred million, thirty-two thousand, two hundred ninety-three".