31301230202212 has 12 divisors (see below), whose sum is σ = 54781745639040. Its totient is φ = 15649302876776.

The previous prime is 31301230202117. The next prime is 31301230202243. The reversal of 31301230202212 is 21220203210313.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328002412 + ... + 328097827.

It is an arithmetic number, because the mean of its divisors is an integer number (4565145469920).

Almost surely, 2^{31301230202212} is an apocalyptic number.

It is an amenable number.

31301230202212 is a deficient number, since it is larger than the sum of its proper divisors (23480515436828).

31301230202212 is a wasteful number, since it uses less digits than its factorization.

31301230202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656112170 (or 656112168 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31301230202212 its reverse (21220203210313), we get a palindrome (52521433412525).

The spelling of 31301230202212 in words is "thirty-one trillion, three hundred one billion, two hundred thirty million, two hundred two thousand, two hundred twelve".