311431003404023 has 8 divisors (see below), whose sum is σ = 327875736010800. Its totient is φ = 294991633513728.

The previous prime is 311431003403959. The next prime is 311431003404067. The reversal of 311431003404023 is 320404300134113.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 311431003404023 - 2⁶ = 311431003403959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311431003484023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1340559908 + ... + 1340792201.

It is an arithmetic number, because the mean of its divisors is an integer number (40984467001350).

Almost surely, 2^{311431003404023} is an apocalyptic number.

311431003404023 is a deficient number, since it is larger than the sum of its proper divisors (16444732606777).

311431003404023 is a wasteful number, since it uses less digits than its factorization.

311431003404023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681358241.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 311431003404023 its reverse (320404300134113), we get a palindrome (631835303538136).

The spelling of 311431003404023 in words is "three hundred eleven trillion, four hundred thirty-one billion, three million, four hundred four thousand, twenty-three".