31340304105 has 32 divisors (see below), whose sum is σ = 55630264320. Its totient is φ = 14937746880.

The previous prime is 31340304103. The next prime is 31340304157. The reversal of 31340304105 is 50140304313.

It is a happy number.

It is not a de Polignac number, because 31340304105 - 2¹ = 31340304103 is a prime.

It is a super-2 number, since 2×31340304105² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31340304103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1599937 + ... + 1619406.

It is an arithmetic number, because the mean of its divisors is an integer number (1738445760).

Almost surely, 2^31340304105 is an apocalyptic number.

It is an amenable number.

31340304105 is a deficient number, since it is larger than the sum of its proper divisors (24289960215).

31340304105 is a wasteful number, since it uses less digits than its factorization.

31340304105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219421.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 31340304105 its reverse (50140304313), we get a palindrome (81480608418).

The spelling of 31340304105 in words is "thirty-one billion, three hundred forty million, three hundred four thousand, one hundred five".