516334320231 has 8 divisors (see below), whose sum is σ = 688608491904. Its totient is φ = 344141514360.

The previous prime is 516334320217. The next prime is 516334320269. The reversal of 516334320231 is 132023433615.

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

It is not a de Polignac number, because 516334320231 - 2²¹ = 516332223079 is a prime.

It is a super-2 number, since 2×516334320231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 516334320192 and 516334320201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516334320211) 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, 20326641 + ... + 20352026.

It is an arithmetic number, because the mean of its divisors is an integer number (86076061488).

Almost surely, 2^516334320231 is an apocalyptic number.

516334320231 is a deficient number, since it is larger than the sum of its proper divisors (172274171673).

516334320231 is a wasteful number, since it uses less digits than its factorization.

516334320231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40682901.

The product of its (nonzero) digits is 38880, while the sum is 33.

Adding to 516334320231 its reverse (132023433615), we get a palindrome (648357753846).

The spelling of 516334320231 in words is "five hundred sixteen billion, three hundred thirty-four million, three hundred twenty thousand, two hundred thirty-one".