4131312420 has 24 divisors (see below), whose sum is σ = 11567674944. Its totient is φ = 1101683296.

The previous prime is 4131312401. The next prime is 4131312461. The reversal of 4131312420 is 242131314.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34427544 + ... + 34427663.

It is an arithmetic number, because the mean of its divisors is an integer number (481986456).

Almost surely, 2^4131312420 is an apocalyptic number.

It is an amenable number.

4131312420 is an abundant number, since it is smaller than the sum of its proper divisors (7436362524).

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

4131312420 is a wasteful number, since it uses less digits than its factorization.

4131312420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68855219 (or 68855217 counting only the distinct ones).

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

The square root of 4131312420 is about 64275.2862304012. The cubic root of 4131312420 is about 1604.5848209408.

Adding to 4131312420 its reverse (242131314), we get a palindrome (4373443734).

The spelling of 4131312420 in words is "four billion, one hundred thirty-one million, three hundred twelve thousand, four hundred twenty".