3123331123111 has 8 divisors (see below), whose sum is σ = 3339163829664. Its totient is φ = 2911065899520.

The previous prime is 3123331123103. The next prime is 3123331123117. The reversal of 3123331123111 is 1113211333213.

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

It is not a de Polignac number, because 3123331123111 - 2³ = 3123331123103 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 (3123331123117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891868930 + ... + 891872431.

It is an arithmetic number, because the mean of its divisors is an integer number (417395478708).

Almost surely, 2^{3123331123111} is an apocalyptic number.

3123331123111 is a deficient number, since it is larger than the sum of its proper divisors (215832706553).

3123331123111 is a wasteful number, since it uses less digits than its factorization.

3123331123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783741481.

The product of its digits is 972, while the sum is 25.

Adding to 3123331123111 its reverse (1113211333213), we get a palindrome (4236542456324).

The spelling of 3123331123111 in words is "three trillion, one hundred twenty-three billion, three hundred thirty-one million, one hundred twenty-three thousand, one hundred eleven".