31424334111 has 6 divisors (see below), whose sum is σ = 45390704840. Its totient is φ = 20949556068.

The previous prime is 31424334089. The next prime is 31424334113. The reversal of 31424334111 is 11143342413.

31424334111 is a `hidden beast` number, since 3 + 1 + 4 + 243 + 3 + 411 + 1 = 666.

It is not a de Polignac number, because 31424334111 - 2⁹ = 31424333599 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 (31424334113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1745796331 + ... + 1745796348.

Almost surely, 2^31424334111 is an apocalyptic number.

31424334111 is a deficient number, since it is larger than the sum of its proper divisors (13966370729).

31424334111 is a wasteful number, since it uses less digits than its factorization.

31424334111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491592685 (or 3491592682 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 31424334111 its reverse (11143342413), we get a palindrome (42567676524).

The spelling of 31424334111 in words is "thirty-one billion, four hundred twenty-four million, three hundred thirty-four thousand, one hundred eleven".