31320333003133 has 4 divisors (see below), whose sum is σ = 31321593860188. Its totient is φ = 31319072146080.

The previous prime is 31320333003103. The next prime is 31320333003199. The reversal of 31320333003133 is 33130033302313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13567568162724 + 17752764840409 = 3683418^2 + 4213403^2 .

It is a cyclic number.

It is not a de Polignac number, because 31320333003133 - 2¹³ = 31320332994941 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 (31320333003103) 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, 630391266 + ... + 630440947.

It is an arithmetic number, because the mean of its divisors is an integer number (7830398465047).

Almost surely, 2^{31320333003133} is an apocalyptic number.

It is an amenable number.

31320333003133 is a deficient number, since it is larger than the sum of its proper divisors (1260857055).

31320333003133 is a wasteful number, since it uses less digits than its factorization.

31320333003133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260857054.

The product of its (nonzero) digits is 13122, while the sum is 28.

Adding to 31320333003133 its reverse (33130033302313), we get a palindrome (64450366305446).

The spelling of 31320333003133 in words is "thirty-one trillion, three hundred twenty billion, three hundred thirty-three million, three thousand, one hundred thirty-three".