51134326231 has 8 divisors (see below), whose sum is σ = 54638947440. Its totient is φ = 47684896128.

The previous prime is 51134326181. The next prime is 51134326247. The reversal of 51134326231 is 13262343115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51134326231 - 2¹⁷ = 51134195159 is a prime.

It is a super-2 number, since 2×51134326231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51134326193 and 51134326202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51134026231) 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, 13795861 + ... + 13799566.

It is an arithmetic number, because the mean of its divisors is an integer number (6829868430).

Almost surely, 2^51134326231 is an apocalyptic number.

51134326231 is a deficient number, since it is larger than the sum of its proper divisors (3504621209).

51134326231 is a wasteful number, since it uses less digits than its factorization.

51134326231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27595553.

The product of its digits is 12960, while the sum is 31.

Adding to 51134326231 its reverse (13262343115), we get a palindrome (64396669346).

The spelling of 51134326231 in words is "fifty-one billion, one hundred thirty-four million, three hundred twenty-six thousand, two hundred thirty-one".