31212014302 has 16 divisors (see below), whose sum is σ = 53567341920. Its totient is φ = 13361319648.

The previous prime is 31212014299. The next prime is 31212014329. The reversal of 31212014302 is 20341021213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31212014302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1258777 + ... + 1283332.

It is an arithmetic number, because the mean of its divisors is an integer number (3347958870).

Almost surely, 2^31212014302 is an apocalyptic number.

31212014302 is a deficient number, since it is larger than the sum of its proper divisors (22355327618).

31212014302 is a wasteful number, since it uses less digits than its factorization.

31212014302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542995.

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

Adding to 31212014302 its reverse (20341021213), we get a palindrome (51553035515).

The spelling of 31212014302 in words is "thirty-one billion, two hundred twelve million, fourteen thousand, three hundred two".