51303342513 has 16 divisors (see below), whose sum is σ = 69868212480. Its totient is φ = 33470524416.

The previous prime is 51303342481. The next prime is 51303342569. The reversal of 51303342513 is 31524330315.

It is not a de Polignac number, because 51303342513 - 2⁵ = 51303342481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51303342593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1581331 + ... + 1613447.

It is an arithmetic number, because the mean of its divisors is an integer number (4366763280).

Almost surely, 2^51303342513 is an apocalyptic number.

It is an amenable number.

51303342513 is a deficient number, since it is larger than the sum of its proper divisors (18564869967).

51303342513 is a wasteful number, since it uses less digits than its factorization.

51303342513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43496.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 51303342513 its reverse (31524330315), we get a palindrome (82827672828).

The spelling of 51303342513 in words is "fifty-one billion, three hundred three million, three hundred forty-two thousand, five hundred thirteen".