3012111231 has 16 divisors (see below), whose sum is σ = 4103883264. Its totient is φ = 1964254464.

The previous prime is 3012111209. The next prime is 3012111233. The reversal of 3012111231 is 1321112103.

It is a happy number.

It is not a de Polignac number, because 3012111231 - 2⁹ = 3012110719 is a prime.

It is a super-2 number, since 2×3012111231² = 18145628135832670722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3012111231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012111233) 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, 305775 + ... + 315471.

It is an arithmetic number, because the mean of its divisors is an integer number (256492704).

Almost surely, 2^3012111231 is an apocalyptic number.

3012111231 is a deficient number, since it is larger than the sum of its proper divisors (1091772033).

3012111231 is a wasteful number, since it uses less digits than its factorization.

3012111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11950.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 3012111231 is about 54882.7042974378. The cubic root of 3012111231 is about 1444.1877885867.

Adding to 3012111231 its reverse (1321112103), we get a palindrome (4333223334).

The spelling of 3012111231 in words is "three billion, twelve million, one hundred eleven thousand, two hundred thirty-one".