31331243014 has 16 divisors (see below), whose sum is σ = 47696362560. Its totient is φ = 15434176680.

The previous prime is 31331242997. The next prime is 31331243033. The reversal of 31331243014 is 41034213313.

It is a self number, because there is not a number n which added to its sum of digits gives 31331243014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393744 + ... + 466579.

It is an arithmetic number, because the mean of its divisors is an integer number (2981022660).

Almost surely, 2^31331243014 is an apocalyptic number.

31331243014 is a deficient number, since it is larger than the sum of its proper divisors (16365119546).

31331243014 is a wasteful number, since it uses less digits than its factorization.

31331243014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860595.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31331243014 its reverse (41034213313), we get a palindrome (72365456327).

The spelling of 31331243014 in words is "thirty-one billion, three hundred thirty-one million, two hundred forty-three thousand, fourteen".