5131035421 has 16 divisors (see below), whose sum is σ = 5613221376. Its totient is φ = 4670459136.

The previous prime is 5131035419. The next prime is 5131035457. The reversal of 5131035421 is 1245301315.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5131035421 - 2¹ = 5131035419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131033421) 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, 80620 + ... + 129466.

It is an arithmetic number, because the mean of its divisors is an integer number (350826336).

Almost surely, 2^5131035421 is an apocalyptic number.

It is an amenable number.

5131035421 is a deficient number, since it is larger than the sum of its proper divisors (482185955).

5131035421 is a wasteful number, since it uses less digits than its factorization.

5131035421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49068.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 5131035421 is about 71631.2461220660. The cubic root of 5131035421 is about 1724.7851495768.

Adding to 5131035421 its reverse (1245301315), we get a palindrome (6376336736).

The spelling of 5131035421 in words is "five billion, one hundred thirty-one million, thirty-five thousand, four hundred twenty-one".