31444540099 has 16 divisors (see below), whose sum is σ = 36044390656. Its totient is φ = 26871717600.

The previous prime is 31444540097. The next prime is 31444540109. The reversal of 31444540099 is 99004544413.

It is not a de Polignac number, because 31444540099 - 2¹ = 31444540097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31444540097) 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 15 ways as a sum of consecutive naturals, for example, 8046304 + ... + 8050210.

It is an arithmetic number, because the mean of its divisors is an integer number (2252774416).

Almost surely, 2^31444540099 is an apocalyptic number.

31444540099 is a deficient number, since it is larger than the sum of its proper divisors (4599850557).

31444540099 is a wasteful number, since it uses less digits than its factorization.

31444540099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7066.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 31444540099 in words is "thirty-one billion, four hundred forty-four million, five hundred forty thousand, ninety-nine".