31230330221103 has 16 divisors (see below), whose sum is σ = 44853599185920. Its totient is φ = 19214358423264.

The previous prime is 31230330221093. The next prime is 31230330221141. The reversal of 31230330221103 is 30112203303213.

It is not a de Polignac number, because 31230330221103 - 2⁸ = 31230330220847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31230330229103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89538883 + ... + 89886996.

It is an arithmetic number, because the mean of its divisors is an integer number (2803349949120).

Almost surely, 2^{31230330221103} is an apocalyptic number.

31230330221103 is a deficient number, since it is larger than the sum of its proper divisors (13623268964817).

31230330221103 is a wasteful number, since it uses less digits than its factorization.

31230330221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179430358.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31230330221103 its reverse (30112203303213), we get a palindrome (61342533524316).

The spelling of 31230330221103 in words is "thirty-one trillion, two hundred thirty billion, three hundred thirty million, two hundred twenty-one thousand, one hundred three".