503031033055413 has 6 divisors (see below), whose sum is σ = 726600381080054. Its totient is φ = 335354022036936.

The previous prime is 503031033055373. The next prime is 503031033055483. The reversal of 503031033055413 is 314550330130305.

503031033055413 is a `hidden beast` number, since 5 + 0 + 3 + 0 + 3 + 103 + 3 + 0 + 5 + 541 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 470542777232004 + 32488255823409 = 21691998^2 + 5699847^2 .

It is not a de Polignac number, because 503031033055413 - 2³² = 503026738088117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503031033055483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27946168503070 + ... + 27946168503087.

Almost surely, 2^{503031033055413} is an apocalyptic number.

It is an amenable number.

503031033055413 is a deficient number, since it is larger than the sum of its proper divisors (223569348024641).

503031033055413 is a wasteful number, since it uses less digits than its factorization.

503031033055413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55892337006163 (or 55892337006160 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 36.

Adding to 503031033055413 its reverse (314550330130305), we get a palindrome (817581363185718).

The spelling of 503031033055413 in words is "five hundred three trillion, thirty-one billion, thirty-three million, fifty-five thousand, four hundred thirteen".