3111131023 has 16 divisors (see below), whose sum is σ = 4177184256. Its totient is φ = 2237775840.

The previous prime is 3111131017. The next prime is 3111131057. The reversal of 3111131023 is 3201311113.

It is a cyclic number.

It is not a de Polignac number, because 3111131023 - 2⁹ = 3111130511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3111130988 and 3111131006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111131623) 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 15 ways as a sum of consecutive naturals, for example, 1553011 + ... + 1555012.

It is an arithmetic number, because the mean of its divisors is an integer number (261074016).

Almost surely, 2^3111131023 is an apocalyptic number.

3111131023 is a deficient number, since it is larger than the sum of its proper divisors (1066053233).

3111131023 is a wasteful number, since it uses less digits than its factorization.

3111131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108054.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 3111131023 is about 55777.5135964306. The cubic root of 3111131023 is about 1459.8428277357.

Adding to 3111131023 its reverse (3201311113), we get a palindrome (6312442136).

The spelling of 3111131023 in words is "three billion, one hundred eleven million, one hundred thirty-one thousand, twenty-three".