505041025031 has 8 divisors (see below), whose sum is σ = 518347467264. Its totient is φ = 491805551160.

The previous prime is 505041025019. The next prime is 505041025079. The reversal of 505041025031 is 130520140505.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505041025031 is a prime.

It is a super-2 number, since 2×505041025031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505041025091) 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, 17727671 + ... + 17756136.

It is an arithmetic number, because the mean of its divisors is an integer number (64793433408).

Almost surely, 2^505041025031 is an apocalyptic number.

505041025031 is a deficient number, since it is larger than the sum of its proper divisors (13306442233).

505041025031 is a wasteful number, since it uses less digits than its factorization.

505041025031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35484181.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 505041025031 its reverse (130520140505), we get a palindrome (635561165536).

The spelling of 505041025031 in words is "five hundred five billion, forty-one million, twenty-five thousand, thirty-one".