51310097223 has 32 divisors (see below), whose sum is σ = 85336727040. Its totient is φ = 26641464960.

The previous prime is 51310097207. The next prime is 51310097243. The reversal of 51310097223 is 32279001315.

It is not a de Polignac number, because 51310097223 - 2⁴ = 51310097207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51310097203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424261 + ... + 531617.

It is an arithmetic number, because the mean of its divisors is an integer number (2666772720).

Almost surely, 2^51310097223 is an apocalyptic number.

51310097223 is a deficient number, since it is larger than the sum of its proper divisors (34026629817).

51310097223 is a wasteful number, since it uses less digits than its factorization.

51310097223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109447.

The product of its (nonzero) digits is 11340, while the sum is 33.

Adding to 51310097223 its reverse (32279001315), we get a palindrome (83589098538).

The spelling of 51310097223 in words is "fifty-one billion, three hundred ten million, ninety-seven thousand, two hundred twenty-three".