31101310011 has 4 divisors (see below), whose sum is σ = 41468413352. Its totient is φ = 20734206672.

The previous prime is 31101310003. The next prime is 31101310061. The reversal of 31101310011 is 11001310113.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31101310011 - 2³ = 31101310003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31101310061) 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 3 ways as a sum of consecutive naturals, for example, 5183551666 + ... + 5183551671.

It is an arithmetic number, because the mean of its divisors is an integer number (10367103338).

Almost surely, 2^31101310011 is an apocalyptic number.

31101310011 is a deficient number, since it is larger than the sum of its proper divisors (10367103341).

31101310011 is a wasteful number, since it uses less digits than its factorization.

31101310011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10367103340.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 31101310011 its reverse (11001310113), we get a palindrome (42102620124).

The spelling of 31101310011 in words is "thirty-one billion, one hundred one million, three hundred ten thousand, eleven".