31302132002012 has 12 divisors (see below), whose sum is σ = 54781546513680. Its totient is φ = 15650261569536.

The previous prime is 31302132001997. The next prime is 31302132002047. The reversal of 31302132002012 is 21020023120313.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201020312 + ... + 201175967.

It is an arithmetic number, because the mean of its divisors is an integer number (4565128876140).

Almost surely, 2^{31302132002012} is an apocalyptic number.

It is an amenable number.

31302132002012 is a deficient number, since it is larger than the sum of its proper divisors (23479414511668).

31302132002012 is a wasteful number, since it uses less digits than its factorization.

31302132002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402215740 (or 402215738 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31302132002012 its reverse (21020023120313), we get a palindrome (52322155122325).

The spelling of 31302132002012 in words is "thirty-one trillion, three hundred two billion, one hundred thirty-two million, two thousand, twelve".