513331442012 has 24 divisors (see below), whose sum is σ = 907178848800. Its totient is φ = 254141991936.

The previous prime is 513331442011. The next prime is 513331442047. The reversal of 513331442012 is 210244133315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513331442011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106712 + ... + 1018847.

It is an arithmetic number, because the mean of its divisors is an integer number (37799118700).

Almost surely, 2^513331442012 is an apocalyptic number.

It is an amenable number.

513331442012 is a deficient number, since it is larger than the sum of its proper divisors (393847406788).

513331442012 is a wasteful number, since it uses less digits than its factorization.

513331442012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126685 (or 1126683 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 513331442012 its reverse (210244133315), we get a palindrome (723575575327).

The spelling of 513331442012 in words is "five hundred thirteen billion, three hundred thirty-one million, four hundred forty-two thousand, twelve".