3111123043042 has 16 divisors (see below), whose sum is σ = 5647080481920. Its totient is φ = 1254906773568.

The previous prime is 3111123043033. The next prime is 3111123043069. The reversal of 3111123043042 is 2403403211113.

It is a super-2 number, since 2×3111123043042² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3111123042998 and 3111123043016.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6535972542 + ... + 6535973017.

It is an arithmetic number, because the mean of its divisors is an integer number (352942530120).

Almost surely, 2^{3111123043042} is an apocalyptic number.

3111123043042 is a deficient number, since it is larger than the sum of its proper divisors (2535957438878).

3111123043042 is a wasteful number, since it uses less digits than its factorization.

3111123043042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13071945585.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 3111123043042 its reverse (2403403211113), we get a palindrome (5514526254155).

The spelling of 3111123043042 in words is "three trillion, one hundred eleven billion, one hundred twenty-three million, forty-three thousand, forty-two".