51304150431 has 12 divisors (see below), whose sum is σ = 74157944952. Its totient is φ = 34178790096.

The previous prime is 51304150421. The next prime is 51304150433. The reversal of 51304150431 is 13405140315.

It is a happy number.

51304150431 is a `hidden beast` number, since 51 + 30 + 4 + 150 + 431 = 666.

It is not a de Polignac number, because 51304150431 - 2⁶ = 51304150367 is a prime.

It is a super-2 number, since 2×51304150431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51304150395 and 51304150404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51304150433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1984516 + ... + 2010201.

It is an arithmetic number, because the mean of its divisors is an integer number (6179828746).

Almost surely, 2^51304150431 is an apocalyptic number.

51304150431 is a deficient number, since it is larger than the sum of its proper divisors (22853794521).

51304150431 is a wasteful number, since it uses less digits than its factorization.

51304150431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996150 (or 3996147 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 51304150431 its reverse (13405140315), we get a palindrome (64709290746).

The spelling of 51304150431 in words is "fifty-one billion, three hundred four million, one hundred fifty thousand, four hundred thirty-one".