31413206005 has 4 divisors (see below), whose sum is σ = 37695847212. Its totient is φ = 25130564800.

The previous prime is 31413205997. The next prime is 31413206017. The reversal of 31413206005 is 50060231413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18967349284 + 12445856721 = 137722^2 + 111561^2 .

It is not a de Polignac number, because 31413206005 - 2³ = 31413205997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3141320596 + ... + 3141320605.

It is an arithmetic number, because the mean of its divisors is an integer number (9423961803).

Almost surely, 2^31413206005 is an apocalyptic number.

It is an amenable number.

31413206005 is a deficient number, since it is larger than the sum of its proper divisors (6282641207).

31413206005 is an equidigital number, since it uses as much as digits as its factorization.

31413206005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6282641206.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 31413206005 its reverse (50060231413), we get a palindrome (81473437418).

The spelling of 31413206005 in words is "thirty-one billion, four hundred thirteen million, two hundred six thousand, five".