31112330011 has 16 divisors (see below), whose sum is σ = 35776373760. Its totient is φ = 26503505280.

The previous prime is 31112330009. The next prime is 31112330027. The reversal of 31112330011 is 11003321113.

It is not a de Polignac number, because 31112330011 - 2¹ = 31112330009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31112360011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1047315 + ... + 1076611.

It is an arithmetic number, because the mean of its divisors is an integer number (2236023360).

Almost surely, 2^31112330011 is an apocalyptic number.

31112330011 is a deficient number, since it is larger than the sum of its proper divisors (4664043749).

31112330011 is a wasteful number, since it uses less digits than its factorization.

31112330011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30234.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 31112330011 its reverse (11003321113), we get a palindrome (42115651124).

The spelling of 31112330011 in words is "thirty-one billion, one hundred twelve million, three hundred thirty thousand, eleven".