4031311023 has 6 divisors (see below), whose sum is σ = 5823004824. Its totient is φ = 2687540676.

The previous prime is 4031311003. The next prime is 4031311027. The reversal of 4031311023 is 3201131304.

It is not a de Polignac number, because 4031311023 - 2⁵ = 4031310991 is a prime.

It is a super-2 number, since 2×4031311023² = 32502937128322613058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4031310987 and 4031311005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031311027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 223961715 + ... + 223961732.

It is an arithmetic number, because the mean of its divisors is an integer number (970500804).

Almost surely, 2^4031311023 is an apocalyptic number.

4031311023 is a deficient number, since it is larger than the sum of its proper divisors (1791693801).

4031311023 is a wasteful number, since it uses less digits than its factorization.

4031311023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447923453 (or 447923450 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 4031311023 is about 63492.6060498386. The cubic root of 4031311023 is about 1591.5322206233.

Adding to 4031311023 its reverse (3201131304), we get a palindrome (7232442327).

The spelling of 4031311023 in words is "four billion, thirty-one million, three hundred eleven thousand, twenty-three".