31323320133203 has 16 divisors (see below), whose sum is σ = 37083240089280. Its totient is φ = 25899405734400.

The previous prime is 31323320133187. The next prime is 31323320133221. The reversal of 31323320133203 is 30233102332313.

It is a cyclic number.

It is not a de Polignac number, because 31323320133203 - 2⁴ = 31323320133187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31323370133203) 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, 613123268 + ... + 613174353.

It is an arithmetic number, because the mean of its divisors is an integer number (2317702505580).

Almost surely, 2^{31323320133203} is an apocalyptic number.

31323320133203 is a deficient number, since it is larger than the sum of its proper divisors (5759919956077).

31323320133203 is a wasteful number, since it uses less digits than its factorization.

31323320133203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226297758.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 31323320133203 its reverse (30233102332313), we get a palindrome (61556422465516).

The spelling of 31323320133203 in words is "thirty-one trillion, three hundred twenty-three billion, three hundred twenty million, one hundred thirty-three thousand, two hundred three".