31703424212 has 12 divisors (see below), whose sum is σ = 56309067360. Its totient is φ = 15615119256.

The previous prime is 31703424199. The next prime is 31703424229. The reversal of 31703424212 is 21242430713.

It is a congruent number.

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, 59147912 + ... + 59148447.

It is an arithmetic number, because the mean of its divisors is an integer number (4692422280).

Almost surely, 2^31703424212 is an apocalyptic number.

It is an amenable number.

31703424212 is a deficient number, since it is larger than the sum of its proper divisors (24605643148).

31703424212 is a wasteful number, since it uses less digits than its factorization.

31703424212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118296430 (or 118296428 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 31703424212 its reverse (21242430713), we get a palindrome (52945854925).

The spelling of 31703424212 in words is "thirty-one billion, seven hundred three million, four hundred twenty-four thousand, two hundred twelve".