31333312120002 has 16 divisors (see below), whose sum is σ = 62675100809760. Its totient is φ = 10443024611712.

The previous prime is 31333312119947. The next prime is 31333312120007. The reversal of 31333312120002 is 20002121333313.

It is not an unprimeable number, because it can be changed into a prime (31333312120007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353142352 + ... + 353231067.

It is an arithmetic number, because the mean of its divisors is an integer number (3917193800610).

Almost surely, 2^{31333312120002} is an apocalyptic number.

31333312120002 is an abundant number, since it is smaller than the sum of its proper divisors (31341788689758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31333312120002 is a wasteful number, since it uses less digits than its factorization.

31333312120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706380817.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31333312120002 its reverse (20002121333313), we get a palindrome (51335433453315).

The spelling of 31333312120002 in words is "thirty-one trillion, three hundred thirty-three billion, three hundred twelve million, one hundred twenty thousand, two".