31102232302012 has 12 divisors (see below), whose sum is σ = 54429005972376. Its totient is φ = 15551087738480.

The previous prime is 31102232301971. The next prime is 31102232302033. The reversal of 31102232302012 is 21020323220113.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4537138 + ... + 9098905.

It is an arithmetic number, because the mean of its divisors is an integer number (4535750497698).

Almost surely, 2^{31102232302012} is an apocalyptic number.

It is an amenable number.

31102232302012 is a deficient number, since it is larger than the sum of its proper divisors (23326773670364).

31102232302012 is a wasteful number, since it uses less digits than its factorization.

31102232302012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14206268 (or 14206266 counting only the distinct ones).

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

Adding to 31102232302012 its reverse (21020323220113), we get a palindrome (52122555522125).

The spelling of 31102232302012 in words is "thirty-one trillion, one hundred two billion, two hundred thirty-two million, three hundred two thousand, twelve".