31241302012 has 12 divisors (see below), whose sum is σ = 55568545816. Its totient is φ = 15364574640.

The previous prime is 31241302009. The next prime is 31241302039. The reversal of 31241302012 is 21020314213.

It is a happy number.

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, 64018818 + ... + 64019305.

Almost surely, 2^31241302012 is an apocalyptic number.

It is an amenable number.

31241302012 is a deficient number, since it is larger than the sum of its proper divisors (24327243804).

31241302012 is a wasteful number, since it uses less digits than its factorization.

31241302012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128038188 (or 128038186 counting only the distinct ones).

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

Adding to 31241302012 its reverse (21020314213), we get a palindrome (52261616225).

The spelling of 31241302012 in words is "thirty-one billion, two hundred forty-one million, three hundred two thousand, twelve".