505352301131 has 4 divisors (see below), whose sum is σ = 508699005264. Its totient is φ = 502005597000.

The previous prime is 505352301119. The next prime is 505352301173. The reversal of 505352301131 is 131103253505.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 505352301131 - 2⁶ = 505352301067 is a prime.

It is a super-2 number, since 2×505352301131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505352301094 and 505352301103.

It is not an unprimeable number, because it can be changed into a prime (505355301131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673351840 + ... + 1673352141.

It is an arithmetic number, because the mean of its divisors is an integer number (127174751316).

Almost surely, 2^505352301131 is an apocalyptic number.

505352301131 is a deficient number, since it is larger than the sum of its proper divisors (3346704133).

505352301131 is a wasteful number, since it uses less digits than its factorization.

505352301131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346704132.

The product of its (nonzero) digits is 6750, while the sum is 29.

Adding to 505352301131 its reverse (131103253505), we get a palindrome (636455554636).

The spelling of 505352301131 in words is "five hundred five billion, three hundred fifty-two million, three hundred one thousand, one hundred thirty-one".