3112431420 has 192 divisors, whose sum is σ = 10530938880. Its totient is φ = 670954752.

The previous prime is 3112431407. The next prime is 3112431449. The reversal of 3112431420 is 241342113.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2097999 + ... + 2099481.

It is an arithmetic number, because the mean of its divisors is an integer number (54848640).

Almost surely, 2^3112431420 is an apocalyptic number.

3112431420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3112431420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5265469440).

3112431420 is an abundant number, since it is smaller than the sum of its proper divisors (7418507460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3112431420 is a wasteful number, since it uses less digits than its factorization.

3112431420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784 (or 1782 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3112431420 is about 55789.1693790112. The cubic root of 3112431420 is about 1460.0461954483.

Adding to 3112431420 its reverse (241342113), we get a palindrome (3353773533).

The spelling of 3112431420 in words is "three billion, one hundred twelve million, four hundred thirty-one thousand, four hundred twenty".