31304404011 has 16 divisors (see below), whose sum is σ = 42504700160. Its totient is φ = 20488165920.

The previous prime is 31304403947. The next prime is 31304404031. The reversal of 31304404011 is 11040440313.

It is not a de Polignac number, because 31304404011 - 2⁶ = 31304403947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31304404031) 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, 67831 + ... + 259248.

It is an arithmetic number, because the mean of its divisors is an integer number (2656543760).

Almost surely, 2^31304404011 is an apocalyptic number.

31304404011 is a deficient number, since it is larger than the sum of its proper divisors (11200296149).

31304404011 is a wasteful number, since it uses less digits than its factorization.

31304404011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327666.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31304404011 its reverse (11040440313), we get a palindrome (42344844324).

The spelling of 31304404011 in words is "thirty-one billion, three hundred four million, four hundred four thousand, eleven".