31314131011 has 16 divisors (see below), whose sum is σ = 32819581440. Its totient is φ = 29820922560.

The previous prime is 31314130999. The next prime is 31314131039. The reversal of 31314131011 is 11013141313.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31314131011 - 2²¹ = 31312033859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31314131011.

It is not an unprimeable number, because it can be changed into a prime (31314131111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7420060 + ... + 7424278.

It is an arithmetic number, because the mean of its divisors is an integer number (2051223840).

Almost surely, 2^31314131011 is an apocalyptic number.

31314131011 is a deficient number, since it is larger than the sum of its proper divisors (1505450429).

31314131011 is a wasteful number, since it uses less digits than its factorization.

31314131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 31314131011 its reverse (11013141313), we get a palindrome (42327272324).

The spelling of 31314131011 in words is "thirty-one billion, three hundred fourteen million, one hundred thirty-one thousand, eleven".