31321103302223 has 8 divisors (see below), whose sum is σ = 35797204849440. Its totient is φ = 26845416309600.

The previous prime is 31321103302199. The next prime is 31321103302259. The reversal of 31321103302223 is 32220330112313.

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

It is not a de Polignac number, because 31321103302223 - 2⁸ = 31321103301967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31321103302192 and 31321103302201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31321103302273) 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, 103476728 + ... + 103778973.

It is an arithmetic number, because the mean of its divisors is an integer number (4474650606180).

Almost surely, 2^{31321103302223} is an apocalyptic number.

31321103302223 is a deficient number, since it is larger than the sum of its proper divisors (4476101547217).

31321103302223 is a wasteful number, since it uses less digits than its factorization.

31321103302223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207277297.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 31321103302223 its reverse (32220330112313), we get a palindrome (63541433414536).

The spelling of 31321103302223 in words is "thirty-one trillion, three hundred twenty-one billion, one hundred three million, three hundred two thousand, two hundred twenty-three".