31330312221233 has 8 divisors (see below), whose sum is σ = 32341037414400. Its totient is φ = 30319591400640.

The previous prime is 31330312221227. The next prime is 31330312221269. The reversal of 31330312221233 is 33212221303313.

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 31330312221233 - 2¹² = 31330312217137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31330312221196 and 31330312221205.

It is not an unprimeable number, because it can be changed into a prime (31330312221833) 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, 19818368 + ... + 21340766.

It is an arithmetic number, because the mean of its divisors is an integer number (4042629676800).

Almost surely, 2^{31330312221233} is an apocalyptic number.

It is an amenable number.

31330312221233 is a deficient number, since it is larger than the sum of its proper divisors (1010725193167).

31330312221233 is a wasteful number, since it uses less digits than its factorization.

31330312221233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186287.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 31330312221233 its reverse (33212221303313), we get a palindrome (64542533524546).

The spelling of 31330312221233 in words is "thirty-one trillion, three hundred thirty billion, three hundred twelve million, two hundred twenty-one thousand, two hundred thirty-three".