503312142 has 16 divisors (see below), whose sum is σ = 1006941312. Its totient is φ = 167717880.

The previous prime is 503312123. The next prime is 503312153. The reversal of 503312142 is 241213305.

It is a super-2 number, since 2×503312142² = 506646224569256328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10783 + ... + 33509.

It is an arithmetic number, because the mean of its divisors is an integer number (62933832).

Almost surely, 2^503312142 is an apocalyptic number.

503312142 is an abundant number, since it is smaller than the sum of its proper divisors (503629170).

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

503312142 is a wasteful number, since it uses less digits than its factorization.

503312142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26423.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 503312142 is about 22434.6192746835. The cubic root of 503312142 is about 795.4492362300.

Adding to 503312142 its reverse (241213305), we get a palindrome (744525447).

The spelling of 503312142 in words is "five hundred three million, three hundred twelve thousand, one hundred forty-two".