31020110011 has 8 divisors (see below), whose sum is σ = 35621179200. Its totient is φ = 26715884040.

The previous prime is 31020109997. The next prime is 31020110021. The reversal of 31020110011 is 11001102013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-31020110011 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 31020110011.

It is not an unprimeable number, because it can be changed into a prime (31020110021) 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 7 ways as a sum of consecutive naturals, for example, 74210581 + ... + 74210998.

It is an arithmetic number, because the mean of its divisors is an integer number (4452647400).

Almost surely, 2^31020110011 is an apocalyptic number.

31020110011 is a deficient number, since it is larger than the sum of its proper divisors (4601069189).

31020110011 is a wasteful number, since it uses less digits than its factorization.

31020110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148421609.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 31020110011 its reverse (11001102013), we get a palindrome (42021212024).

The spelling of 31020110011 in words is "thirty-one billion, twenty million, one hundred ten thousand, eleven".