31010311105 has 8 divisors (see below), whose sum is σ = 37213849512. Its totient is φ = 24807264768.

The previous prime is 31010311097. The next prime is 31010311109. The reversal of 31010311105 is 50111301013.

It can be written as a sum of positive squares in 4 ways, for example, as 20971673856 + 10038637249 = 144816^2 + 100193^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 31010311105 - 2³ = 31010311097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31010311109) 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 7 ways as a sum of consecutive naturals, for example, 33807 + ... + 251323.

It is an arithmetic number, because the mean of its divisors is an integer number (4651731189).

Almost surely, 2^31010311105 is an apocalyptic number.

It is an amenable number.

31010311105 is a deficient number, since it is larger than the sum of its proper divisors (6203538407).

31010311105 is a wasteful number, since it uses less digits than its factorization.

31010311105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246035.

The product of its (nonzero) digits is 45, while the sum is 16.

Adding to 31010311105 its reverse (50111301013), we get a palindrome (81121612118).

The spelling of 31010311105 in words is "thirty-one billion, ten million, three hundred eleven thousand, one hundred five".