513661030332 has 24 divisors (see below), whose sum is σ = 1199314207056. Its totient is φ = 171110085888.

The previous prime is 513661030297. The next prime is 513661030373. The reversal of 513661030332 is 233030166315.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 513661030293 and 513661030302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13762783 + ... + 13800054.

It is an arithmetic number, because the mean of its divisors is an integer number (49971425294).

Almost surely, 2^513661030332 is an apocalyptic number.

It is an amenable number.

513661030332 is an abundant number, since it is smaller than the sum of its proper divisors (685653176724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513661030332 is a wasteful number, since it uses less digits than its factorization.

513661030332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27564397 (or 27564395 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 33.

Adding to 513661030332 its reverse (233030166315), we get a palindrome (746691196647).

The spelling of 513661030332 in words is "five hundred thirteen billion, six hundred sixty-one million, thirty thousand, three hundred thirty-two".