31244320014 has 32 divisors (see below), whose sum is σ = 63561300480. Its totient is φ = 10236072000.

The previous prime is 31244320001. The next prime is 31244320057. The reversal of 31244320014 is 41002344213.

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 15 ways as a sum of consecutive naturals, for example, 3266539 + ... + 3276089.

It is an arithmetic number, because the mean of its divisors is an integer number (1986290640).

Almost surely, 2^31244320014 is an apocalyptic number.

31244320014 is an abundant number, since it is smaller than the sum of its proper divisors (32316980466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31244320014 is a wasteful number, since it uses less digits than its factorization.

31244320014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18856.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 31244320014 its reverse (41002344213), we get a palindrome (72246664227).

The spelling of 31244320014 in words is "thirty-one billion, two hundred forty-four million, three hundred twenty thousand, fourteen".