505252340031 has 8 divisors (see below), whose sum is σ = 673680991744. Its totient is φ = 336829290840.

The previous prime is 505252340027. The next prime is 505252340051. The reversal of 505252340031 is 130043252505.

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

It is not a de Polignac number, because 505252340031 - 2² = 505252340027 is a prime.

It is a super-2 number, since 2×505252340031² (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 (505252340051) 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, 1185481 + ... + 1554306.

It is an arithmetic number, because the mean of its divisors is an integer number (84210123968).

Almost surely, 2^505252340031 is an apocalyptic number.

505252340031 is a deficient number, since it is larger than the sum of its proper divisors (168428651713).

505252340031 is a wasteful number, since it uses less digits than its factorization.

505252340031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801261.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 505252340031 its reverse (130043252505), we get a palindrome (635295592536).

The spelling of 505252340031 in words is "five hundred five billion, two hundred fifty-two million, three hundred forty thousand, thirty-one".