31416122111 has 16 divisors (see below), whose sum is σ = 36302217120. Its totient is φ = 26869678080.

The previous prime is 31416122107. The next prime is 31416122123. The reversal of 31416122111 is 11122161413.

It is a cyclic number.

It is not a de Polignac number, because 31416122111 - 2² = 31416122107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31416122191) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 471605 + ... + 534081.

It is an arithmetic number, because the mean of its divisors is an integer number (2268888570).

Almost surely, 2^31416122111 is an apocalyptic number.

31416122111 is a deficient number, since it is larger than the sum of its proper divisors (4886095009).

31416122111 is a wasteful number, since it uses less digits than its factorization.

31416122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65194.

The product of its digits is 288, while the sum is 23.

Adding to 31416122111 its reverse (11122161413), we get a palindrome (42538283524).

The spelling of 31416122111 in words is "thirty-one billion, four hundred sixteen million, one hundred twenty-two thousand, one hundred eleven".