31033302212 has 36 divisors (see below), whose sum is σ = 60820580268. Its totient is φ = 13839883200.

The previous prime is 31033302203. The next prime is 31033302227. The reversal of 31033302212 is 21220333013.

It can be written as a sum of positive squares in 2 ways, for example, as 20373565696 + 10659736516 = 142736^2 + 103246^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 579239 + ... + 630542.

It is an arithmetic number, because the mean of its divisors is an integer number (1689460563).

Almost surely, 2^31033302212 is an apocalyptic number.

It is an amenable number.

31033302212 is a deficient number, since it is larger than the sum of its proper divisors (29787278056).

31033302212 is a wasteful number, since it uses less digits than its factorization.

31033302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209860 (or 1209847 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31033302212 its reverse (21220333013), we get a palindrome (52253635225).

The spelling of 31033302212 in words is "thirty-one billion, thirty-three million, three hundred two thousand, two hundred twelve".