51040313351343 has 24 divisors (see below), whose sum is σ = 74118485016576. Its totient is φ = 33845256099600.

The previous prime is 51040313351329. The next prime is 51040313351381. The reversal of 51040313351343 is 34315331304015.

It is a happy number.

51040313351343 is a `hidden beast` number, since 5 + 1 + 0 + 4 + 0 + 3 + 133 + 513 + 4 + 3 = 666.

It is not a de Polignac number, because 51040313351343 - 2⁸ = 51040313351087 is a prime.

It is a super-2 number, since 2×51040313351343² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51040313351298 and 51040313351307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51040313351393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15314446 + ... + 18347012.

It is an arithmetic number, because the mean of its divisors is an integer number (3088270209024).

Almost surely, 2^{51040313351343} is an apocalyptic number.

51040313351343 is a deficient number, since it is larger than the sum of its proper divisors (23078171665233).

51040313351343 is a wasteful number, since it uses less digits than its factorization.

51040313351343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042555 (or 3042552 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 51040313351343 its reverse (34315331304015), we get a palindrome (85355644655358).

The spelling of 51040313351343 in words is "fifty-one trillion, forty billion, three hundred thirteen million, three hundred fifty-one thousand, three hundred forty-three".