504220031 has 8 divisors (see below), whose sum is σ = 579148800. Its totient is φ = 430015608.

The previous prime is 504219971. The next prime is 504220037. The reversal of 504220031 is 130022405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 504220031 - 2¹⁸ = 503957887 is a prime.

It is a super-2 number, since 2×504220031² = 508475679323281922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 504219991 and 504220009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504220037) 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, 179591 + ... + 182376.

It is an arithmetic number, because the mean of its divisors is an integer number (72393600).

Almost surely, 2^504220031 is an apocalyptic number.

504220031 is a deficient number, since it is larger than the sum of its proper divisors (74928769).

504220031 is a wasteful number, since it uses less digits than its factorization.

504220031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362173.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 504220031 is about 22454.8442657704. The cubic root of 504220031 is about 795.9272337168.

Adding to 504220031 its reverse (130022405), we get a palindrome (634242436).

The spelling of 504220031 in words is "five hundred four million, two hundred twenty thousand, thirty-one".