31321122303233 has 6 divisors (see below), whose sum is σ = 36434774924226. Its totient is φ = 26846676259872.

The previous prime is 31321122303197. The next prime is 31321122303281. The reversal of 31321122303233 is 33230322112313.

It can be written as a sum of positive squares in only one way, i.e., 19569856031089 + 11751266272144 = 4423783^2 + 3428012^2 .

It is not a de Polignac number, because 31321122303233 - 2⁶ = 31321122303169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31321122303196 and 31321122303205.

It is not an unprimeable number, because it can be changed into a prime (31321122303733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 319603288760 + ... + 319603288857.

It is an arithmetic number, because the mean of its divisors is an integer number (6072462487371).

Almost surely, 2^{31321122303233} is an apocalyptic number.

It is an amenable number.

31321122303233 is a deficient number, since it is larger than the sum of its proper divisors (5113652620993).

31321122303233 is an equidigital number, since it uses as much as digits as its factorization.

31321122303233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639206577631 (or 639206577624 counting only the distinct ones).

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

Adding to 31321122303233 its reverse (33230322112313), we get a palindrome (64551444415546).

It can be divided in two parts, 3132112 and 2303233, that added together give a palindrome (5435345).

The spelling of 31321122303233 in words is "thirty-one trillion, three hundred twenty-one billion, one hundred twenty-two million, three hundred three thousand, two hundred thirty-three".