520211141431 has 4 divisors (see below), whose sum is σ = 520228001664. Its totient is φ = 520194281200.

The previous prime is 520211141393. The next prime is 520211141519. The reversal of 520211141431 is 134141112025.

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 520211141431 - 2²⁹ = 519674270519 is a prime.

It is a super-2 number, since 2×520211141431² (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 = 520211141396 and 520211141405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520211141531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8383750 + ... + 8445571.

It is an arithmetic number, because the mean of its divisors is an integer number (130057000416).

Almost surely, 2^520211141431 is an apocalyptic number.

520211141431 is a deficient number, since it is larger than the sum of its proper divisors (16860233).

520211141431 is a wasteful number, since it uses less digits than its factorization.

520211141431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16860232.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 520211141431 its reverse (134141112025), we get a palindrome (654352253456).

The spelling of 520211141431 in words is "five hundred twenty billion, two hundred eleven million, one hundred forty-one thousand, four hundred thirty-one".