311042023313 has 16 divisors (see below), whose sum is σ = 377930831616. Its totient is φ = 250204194240.

The previous prime is 311042023213. The next prime is 311042023321. The reversal of 311042023313 is 313320240113.

It is not a de Polignac number, because 311042023313 - 2¹⁰ = 311042022289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311042023373) 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, 18217298 + ... + 18234363.

It is an arithmetic number, because the mean of its divisors is an integer number (23620676976).

Almost surely, 2^311042023313 is an apocalyptic number.

It is an amenable number.

311042023313 is a deficient number, since it is larger than the sum of its proper divisors (66888808303).

311042023313 is a wasteful number, since it uses less digits than its factorization.

311042023313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36451744.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 311042023313 its reverse (313320240113), we get a palindrome (624362263426).

The spelling of 311042023313 in words is "three hundred eleven billion, forty-two million, twenty-three thousand, three hundred thirteen".