31340102212 has 6 divisors (see below), whose sum is σ = 54845178878. Its totient is φ = 15670051104.

The previous prime is 31340102203. The next prime is 31340102257. The reversal of 31340102212 is 21220104313.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16510708036 + 14829394176 = 128494^2 + 121776^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31340102212.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3917512773 + ... + 3917512780.

Almost surely, 2^31340102212 is an apocalyptic number.

It is an amenable number.

31340102212 is a deficient number, since it is larger than the sum of its proper divisors (23505076666).

31340102212 is a wasteful number, since it uses less digits than its factorization.

31340102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835025557 (or 7835025555 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31340102212 its reverse (21220104313), we get a palindrome (52560206525).

The spelling of 31340102212 in words is "thirty-one billion, three hundred forty million, one hundred two thousand, two hundred twelve".