513012325203 has 32 divisors (see below), whose sum is σ = 870468454400. Its totient is φ = 292516697088.

The previous prime is 513012325201. The next prime is 513012325211. The reversal of 513012325203 is 302523210315.

It is a happy number.

513012325203 is a `hidden beast` number, since 5 + 13 + 0 + 123 + 2 + 520 + 3 = 666.

It is not a de Polignac number, because 513012325203 - 2¹ = 513012325201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513012325201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2843758 + ... + 3018771.

It is an arithmetic number, because the mean of its divisors is an integer number (27202139200).

Almost surely, 2^513012325203 is an apocalyptic number.

513012325203 is a deficient number, since it is larger than the sum of its proper divisors (357456129197).

513012325203 is a wasteful number, since it uses less digits than its factorization.

513012325203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5863008 (or 5863002 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 513012325203 its reverse (302523210315), we get a palindrome (815535535518).

The spelling of 513012325203 in words is "five hundred thirteen billion, twelve million, three hundred twenty-five thousand, two hundred three".