51130323404221 has 8 divisors (see below), whose sum is σ = 52054015881600. Its totient is φ = 50208533487840.

The previous prime is 51130323404203. The next prime is 51130323404243. The reversal of 51130323404221 is 12240432303115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51130323404221 - 2¹³ = 51130323396029 is a prime.

It is a super-2 number, since 2×51130323404221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51130323404201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475586016 + ... + 475693513.

It is an arithmetic number, because the mean of its divisors is an integer number (6506751985200).

Almost surely, 2^{51130323404221} is an apocalyptic number.

It is an amenable number.

51130323404221 is a deficient number, since it is larger than the sum of its proper divisors (923692477379).

51130323404221 is an equidigital number, since it uses as much as digits as its factorization.

51130323404221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951280499.

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

Adding to 51130323404221 its reverse (12240432303115), we get a palindrome (63370755707336).

The spelling of 51130323404221 in words is "fifty-one trillion, one hundred thirty billion, three hundred twenty-three million, four hundred four thousand, two hundred twenty-one".