51331413323 has 2 divisors, whose sum is σ = 51331413324. Its totient is φ = 51331413322.

The previous prime is 51331413293. The next prime is 51331413361. The reversal of 51331413323 is 32331413315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51331413323 - 2³⁴ = 34151544139 is a prime.

It is not a weakly prime, because it can be changed into another prime (51331413383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25665706661 + 25665706662.

It is an arithmetic number, because the mean of its divisors is an integer number (25665706662).

Almost surely, 2^51331413323 is an apocalyptic number.

51331413323 is a deficient number, since it is larger than the sum of its proper divisors (1).

51331413323 is an equidigital number, since it uses as much as digits as its factorization.

51331413323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 29.

Adding to 51331413323 its reverse (32331413315), we get a palindrome (83662826638).

The spelling of 51331413323 in words is "fifty-one billion, three hundred thirty-one million, four hundred thirteen thousand, three hundred twenty-three".