505045304142431 has 32 divisors (see below), whose sum is σ = 555072216410880. Its totient is φ = 456714565300224.

The previous prime is 505045304142427. The next prime is 505045304142479. The reversal of 505045304142431 is 134241403540505.

It is not a de Polignac number, because 505045304142431 - 2² = 505045304142427 is a prime.

It is a super-3 number, since 3×505045304142431³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505045304162431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 364992026 + ... + 366373128.

It is an arithmetic number, because the mean of its divisors is an integer number (17346006762840).

Almost surely, 2^{505045304142431} is an apocalyptic number.

505045304142431 is a deficient number, since it is larger than the sum of its proper divisors (50026912268449).

505045304142431 is a wasteful number, since it uses less digits than its factorization.

505045304142431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384115.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 505045304142431 its reverse (134241403540505), we get a palindrome (639286707682936).

The spelling of 505045304142431 in words is "five hundred five trillion, forty-five billion, three hundred four million, one hundred forty-two thousand, four hundred thirty-one".