3112512231 has 16 divisors (see below), whose sum is σ = 4204928000. Its totient is φ = 2047582368.

The previous prime is 3112512223. The next prime is 3112512233. The reversal of 3112512231 is 1322152113.

It is not a de Polignac number, because 3112512231 - 2³ = 3112512223 is a prime.

It is a super-2 number, since 2×3112512231² = 19375464776249194722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3112512198 and 3112512207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112512233) 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, 681945 + ... + 686493.

It is an arithmetic number, because the mean of its divisors is an integer number (262808000).

Almost surely, 2^3112512231 is an apocalyptic number.

3112512231 is a deficient number, since it is larger than the sum of its proper divisors (1092415769).

3112512231 is a wasteful number, since it uses less digits than its factorization.

3112512231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7518.

The product of its digits is 360, while the sum is 21.

The square root of 3112512231 is about 55789.8936277889. The cubic root of 3112512231 is about 1460.0588315256.

Adding to 3112512231 its reverse (1322152113), we get a palindrome (4434664344).

The spelling of 3112512231 in words is "three billion, one hundred twelve million, five hundred twelve thousand, two hundred thirty-one".