31331441002012 has 12 divisors (see below), whose sum is σ = 54854186609320. Its totient is φ = 15658816256496.

The previous prime is 31331441001941. The next prime is 31331441002051. The reversal of 31331441002012 is 21020014413313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1726050918 + ... + 1726069069.

Almost surely, 2^{31331441002012} is an apocalyptic number.

It is an amenable number.

31331441002012 is a deficient number, since it is larger than the sum of its proper divisors (23522745607308).

31331441002012 is a wasteful number, since it uses less digits than its factorization.

31331441002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452122260 (or 3452122258 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31331441002012 its reverse (21020014413313), we get a palindrome (52351455415325).

The spelling of 31331441002012 in words is "thirty-one trillion, three hundred thirty-one billion, four hundred forty-one million, two thousand, twelve".