5131446430 has 192 divisors, whose sum is σ = 11407785984. Its totient is φ = 1645056000.

The previous prime is 5131446407. The next prime is 5131446433. The reversal of 5131446430 is 346441315.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 5131446392 and 5131446401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131446433) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40405027 + ... + 40405153.

It is an arithmetic number, because the mean of its divisors is an integer number (59415552).

Almost surely, 2^5131446430 is an apocalyptic number.

5131446430 is an abundant number, since it is smaller than the sum of its proper divisors (6276339554).

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

5131446430 is a wasteful number, since it uses less digits than its factorization.

5131446430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 5131446430 is about 71634.1149872042. The cubic root of 5131446430 is about 1724.8312015743.

Adding to 5131446430 its reverse (346441315), we get a palindrome (5477887745).

The spelling of 5131446430 in words is "five billion, one hundred thirty-one million, four hundred forty-six thousand, four hundred thirty".