503213051051 has 16 divisors (see below), whose sum is σ = 515708083200. Its totient is φ = 490884783840.

The previous prime is 503213051027. The next prime is 503213051063. The reversal of 503213051051 is 150150312305.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 503213051051 - 2⁶ = 503213050987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503213051051.

It is not an unprimeable number, because it can be changed into a prime (503213051071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3228230 + ... + 3380516.

It is an arithmetic number, because the mean of its divisors is an integer number (32231755200).

Almost surely, 2^503213051051 is an apocalyptic number.

503213051051 is a deficient number, since it is larger than the sum of its proper divisors (12495032149).

503213051051 is a wasteful number, since it uses less digits than its factorization.

503213051051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152834.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 503213051051 its reverse (150150312305), we get a palindrome (653363363356).

The spelling of 503213051051 in words is "five hundred three billion, two hundred thirteen million, fifty-one thousand, fifty-one".