3112341821 has 8 divisors (see below), whose sum is σ = 3168780960. Its totient is φ = 3056196528.

The previous prime is 3112341809. The next prime is 3112341823. The reversal of 3112341821 is 1281432113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3112341821 is a prime.

It is a super-2 number, since 2×3112341821² = 19373343221491192082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112341823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52031 + ... + 94508.

It is an arithmetic number, because the mean of its divisors is an integer number (396097620).

Almost surely, 2^3112341821 is an apocalyptic number.

It is an amenable number.

3112341821 is a deficient number, since it is larger than the sum of its proper divisors (56439139).

3112341821 is a wasteful number, since it uses less digits than its factorization.

3112341821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146923.

The product of its digits is 1152, while the sum is 26.

The square root of 3112341821 is about 55788.3663589462. The cubic root of 3112341821 is about 1460.0321849726.

Adding to 3112341821 its reverse (1281432113), we get a palindrome (4393773934).

The spelling of 3112341821 in words is "three billion, one hundred twelve million, three hundred forty-one thousand, eight hundred twenty-one".