51343231235 has 8 divisors (see below), whose sum is σ = 61622069136. Its totient is φ = 41067790560.

The previous prime is 51343231231. The next prime is 51343231259. The reversal of 51343231235 is 53213234315.

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

It is not a de Polignac number, because 51343231235 - 2² = 51343231231 is a prime.

It is a super-2 number, since 2×51343231235² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51343231231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815936 + ... + 876605.

It is an arithmetic number, because the mean of its divisors is an integer number (7702758642).

Almost surely, 2^51343231235 is an apocalyptic number.

51343231235 is a deficient number, since it is larger than the sum of its proper divisors (10278837901).

51343231235 is a wasteful number, since it uses less digits than its factorization.

51343231235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698613.

The product of its digits is 32400, while the sum is 32.

The spelling of 51343231235 in words is "fifty-one billion, three hundred forty-three million, two hundred thirty-one thousand, two hundred thirty-five".