31330012100133 has 16 divisors (see below), whose sum is σ = 42336413378496. Its totient is φ = 20607013422720.

The previous prime is 31330012100087. The next prime is 31330012100207. The reversal of 31330012100133 is 33100121003313.

It is not a de Polignac number, because 31330012100133 - 2¹⁸ = 31330011837989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31330012102133) 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, 233763498 + ... + 233897483.

It is an arithmetic number, because the mean of its divisors is an integer number (2646025836156).

Almost surely, 2^{31330012100133} is an apocalyptic number.

It is an amenable number.

31330012100133 is a deficient number, since it is larger than the sum of its proper divisors (11006401278363).

31330012100133 is a wasteful number, since it uses less digits than its factorization.

31330012100133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467661284.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 31330012100133 its reverse (33100121003313), we get a palindrome (64430133103446).

The spelling of 31330012100133 in words is "thirty-one trillion, three hundred thirty billion, twelve million, one hundred thousand, one hundred thirty-three".