503401204312 has 16 divisors (see below), whose sum is σ = 943930365840. Its totient is φ = 251686440096.

The previous prime is 503401204303. The next prime is 503401204321. The reversal of 503401204312 is 213402104305.

It is an interprime number because it is at equal distance from previous prime (503401204303) and next prime (503401204321).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618423 + ... + 1904230.

It is an arithmetic number, because the mean of its divisors is an integer number (58995647865).

Almost surely, 2^503401204312 is an apocalyptic number.

It is an amenable number.

503401204312 is a deficient number, since it is larger than the sum of its proper divisors (440529161528).

503401204312 is a wasteful number, since it uses less digits than its factorization.

503401204312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540522 (or 3540518 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 503401204312 its reverse (213402104305), we get a palindrome (716803308617).

The spelling of 503401204312 in words is "five hundred three billion, four hundred one million, two hundred four thousand, three hundred twelve".