501044201231 has 4 divisors (see below), whose sum is σ = 572621944272. Its totient is φ = 429466458192.

The previous prime is 501044201173. The next prime is 501044201233. The reversal of 501044201231 is 132102440105.

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 501044201231 - 2⁶ = 501044201167 is a prime.

It is a super-2 number, since 2×501044201231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501044201197 and 501044201206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501044201233) 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, 35788871510 + ... + 35788871523.

It is an arithmetic number, because the mean of its divisors is an integer number (143155486068).

Almost surely, 2^501044201231 is an apocalyptic number.

501044201231 is a deficient number, since it is larger than the sum of its proper divisors (71577743041).

501044201231 is an equidigital number, since it uses as much as digits as its factorization.

501044201231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71577743040.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 501044201231 its reverse (132102440105), we get a palindrome (633146641336).

The spelling of 501044201231 in words is "five hundred one billion, forty-four million, two hundred one thousand, two hundred thirty-one".