513034401203 has 4 divisors (see below), whose sum is σ = 529583898048. Its totient is φ = 496484904360.

The previous prime is 513034401197. The next prime is 513034401221. The reversal of 513034401203 is 302104430315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513034401203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513034401263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8274748376 + ... + 8274748437.

It is an arithmetic number, because the mean of its divisors is an integer number (132395974512).

Almost surely, 2^513034401203 is an apocalyptic number.

513034401203 is a deficient number, since it is larger than the sum of its proper divisors (16549496845).

513034401203 is a wasteful number, since it uses less digits than its factorization.

513034401203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16549496844.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 513034401203 its reverse (302104430315), we get a palindrome (815138831518).

The spelling of 513034401203 in words is "five hundred thirteen billion, thirty-four million, four hundred one thousand, two hundred three".