31444430998 has 8 divisors (see below), whose sum is σ = 47224807560. Its totient is φ = 15702828480.

The previous prime is 31444430993. The next prime is 31444431047. The reversal of 31444430998 is 89903444413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31444430993) by changing a digit.

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, 9691483 + ... + 9694726.

It is an arithmetic number, because the mean of its divisors is an integer number (5903100945).

Almost surely, 2^31444430998 is an apocalyptic number.

31444430998 is a deficient number, since it is larger than the sum of its proper divisors (15780376562).

31444430998 is a wasteful number, since it uses less digits than its factorization.

31444430998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19387022.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 31444430998 in words is "thirty-one billion, four hundred forty-four million, four hundred thirty thousand, nine hundred ninety-eight".