51342230313 has 36 divisors (see below), whose sum is σ = 83250271104. Its totient is φ = 30454419600.

The previous prime is 51342230297. The next prime is 51342230333. The reversal of 51342230313 is 31303224315.

51342230313 is a `hidden beast` number, since 5 + 1 + 342 + 2 + 3 + 0 + 313 = 666.

51342230313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51342230313 - 2⁴ = 51342230297 is a prime.

It is a super-2 number, since 2×51342230313² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51342230333) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 450373 + ... + 552738.

Almost surely, 2^51342230313 is an apocalyptic number.

It is an amenable number.

51342230313 is a deficient number, since it is larger than the sum of its proper divisors (31908040791).

51342230313 is a wasteful number, since it uses less digits than its factorization.

51342230313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003186 (or 1003172 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 51342230313 its reverse (31303224315), we get a palindrome (82645454628).

The spelling of 51342230313 in words is "fifty-one billion, three hundred forty-two million, two hundred thirty thousand, three hundred thirteen".