31032330012223 has 4 divisors (see below), whose sum is σ = 31032341944360. Its totient is φ = 31032318080088.

The previous prime is 31032330012193. The next prime is 31032330012241. The reversal of 31032330012223 is 32221003323013.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31032330012223 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 (31032330012253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220665 + ... + 7881202.

It is an arithmetic number, because the mean of its divisors is an integer number (7758085486090).

Almost surely, 2^{31032330012223} is an apocalyptic number.

31032330012223 is a deficient number, since it is larger than the sum of its proper divisors (11932137).

31032330012223 is an equidigital number, since it uses as much as digits as its factorization.

31032330012223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11932136.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31032330012223 its reverse (32221003323013), we get a palindrome (63253333335236).

The spelling of 31032330012223 in words is "thirty-one trillion, thirty-two billion, three hundred thirty million, twelve thousand, two hundred twenty-three".