503432021420431 has 8 divisors (see below), whose sum is σ = 504025293866000. Its totient is φ = 502838765732160.

The previous prime is 503432021420413. The next prime is 503432021420473. The reversal of 503432021420431 is 134024120234305.

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

It is a cyclic number.

It is not a de Polignac number, because 503432021420431 - 2³¹ = 503429873936783 is a prime.

It is a super-2 number, since 2×503432021420431² (a number of 30 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 (503432021420491) 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, 56447971 + ... + 64755211.

It is an arithmetic number, because the mean of its divisors is an integer number (63003161733250).

Almost surely, 2^{503432021420431} is an apocalyptic number.

503432021420431 is a deficient number, since it is larger than the sum of its proper divisors (593272445569).

503432021420431 is an equidigital number, since it uses as much as digits as its factorization.

503432021420431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378649.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 503432021420431 its reverse (134024120234305), we get a palindrome (637456141654736).

The spelling of 503432021420431 in words is "five hundred three trillion, four hundred thirty-two billion, twenty-one million, four hundred twenty thousand, four hundred thirty-one".