503106213042 has 16 divisors (see below), whose sum is σ = 1118013806880. Its totient is φ = 167702070996.

The previous prime is 503106212993. The next prime is 503106213047. The reversal of 503106213042 is 240312601305.

503106213042 is a `hidden beast` number, since 5 + 0 + 3 + 1 + 0 + 621 + 30 + 4 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 503106212997 and 503106213015.

It is not an unprimeable number, because it can be changed into a prime (503106213047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4658390808 + ... + 4658390915.

It is an arithmetic number, because the mean of its divisors is an integer number (69875862930).

Almost surely, 2^503106213042 is an apocalyptic number.

503106213042 is an abundant number, since it is smaller than the sum of its proper divisors (614907593838).

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

503106213042 is a wasteful number, since it uses less digits than its factorization.

503106213042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9316781734 (or 9316781728 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 503106213042 its reverse (240312601305), we get a palindrome (743418814347).

The spelling of 503106213042 in words is "five hundred three billion, one hundred six million, two hundred thirteen thousand, forty-two".