2331401111 has 16 divisors (see below), whose sum is σ = 2551524864. Its totient is φ = 2117366784.

The previous prime is 2331401071. The next prime is 2331401119. The reversal of 2331401111 is 1111041332.

It is a de Polignac number, because none of the positive numbers 2^k-2331401111 is a prime.

It is a super-2 number, since 2×2331401111² = 10870862280744068642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2331401111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331401119) 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, 212810 + ... + 223496.

It is an arithmetic number, because the mean of its divisors is an integer number (159470304).

Almost surely, 2^2331401111 is an apocalyptic number.

2331401111 is a deficient number, since it is larger than the sum of its proper divisors (220123753).

2331401111 is a wasteful number, since it uses less digits than its factorization.

2331401111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10970.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2331401111 is about 48284.5846104116. The cubic root of 2331401111 is about 1325.9861861355.

Adding to 2331401111 its reverse (1111041332), we get a palindrome (3442442443).

The spelling of 2331401111 in words is "two billion, three hundred thirty-one million, four hundred one thousand, one hundred eleven".