51340031221324 has 24 divisors (see below), whose sum is σ = 90988674352128. Its totient is φ = 25343683101840.

The previous prime is 51340031221321. The next prime is 51340031221361. The reversal of 51340031221324 is 42312213004315.

It is not an unprimeable number, because it can be changed into a prime (51340031221321) 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, 51503172 + ... + 52490539.

It is an arithmetic number, because the mean of its divisors is an integer number (3791194764672).

Almost surely, 2^{51340031221324} is an apocalyptic number.

It is an amenable number.

51340031221324 is a deficient number, since it is larger than the sum of its proper divisors (39648643130804).

51340031221324 is a wasteful number, since it uses less digits than its factorization.

51340031221324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103995285 (or 103995283 counting only the distinct ones).

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

Adding to 51340031221324 its reverse (42312213004315), we get a palindrome (93652244225639).

The spelling of 51340031221324 in words is "fifty-one trillion, three hundred forty billion, thirty-one million, two hundred twenty-one thousand, three hundred twenty-four".