31204454444105 has 16 divisors (see below), whose sum is σ = 37606532215824. Its totient is φ = 24856108354560.

The previous prime is 31204454444081. The next prime is 31204454444159. The reversal of 31204454444105 is 50144445440213.

It can be written as a sum of positive squares in 8 ways, for example, as 797291839744 + 30407162604361 = 892912^2 + 5514269^2 .

It is not a de Polignac number, because 31204454444105 - 2¹⁶ = 31204454378569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144493067 + ... + 144708863.

It is an arithmetic number, because the mean of its divisors is an integer number (2350408263489).

Almost surely, 2^{31204454444105} is an apocalyptic number.

It is an amenable number.

31204454444105 is a deficient number, since it is larger than the sum of its proper divisors (6402077771719).

31204454444105 is a wasteful number, since it uses less digits than its factorization.

31204454444105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340156.

The product of its (nonzero) digits is 614400, while the sum is 41.

Adding to 31204454444105 its reverse (50144445440213), we get a palindrome (81348899884318).

The spelling of 31204454444105 in words is "thirty-one trillion, two hundred four billion, four hundred fifty-four million, four hundred forty-four thousand, one hundred five".