31200200121103 has 8 divisors (see below), whose sum is σ = 33643908914000. Its totient is φ = 28762733242368.

The previous prime is 31200200121089. The next prime is 31200200121121. The reversal of 31200200121103 is 30112100200213.

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

It is a cyclic number.

It is not a de Polignac number, because 31200200121103 - 2³⁷ = 31062761167631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31200200121163) 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, 1560468153 + ... + 1560488146.

It is an arithmetic number, because the mean of its divisors is an integer number (4205488614250).

Almost surely, 2^{31200200121103} is an apocalyptic number.

31200200121103 is a deficient number, since it is larger than the sum of its proper divisors (2443708792897).

31200200121103 is a wasteful number, since it uses less digits than its factorization.

31200200121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120957081.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31200200121103 its reverse (30112100200213), we get a palindrome (61312300321316).

The spelling of 31200200121103 in words is "thirty-one trillion, two hundred billion, two hundred million, one hundred twenty-one thousand, one hundred three".