1421033324431 has 8 divisors (see below), whose sum is σ = 1624711699584. Its totient is φ = 1217523352920.

The previous prime is 1421033324387. The next prime is 1421033324443. The reversal of 1421033324431 is 1344233301241.

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

It is not a de Polignac number, because 1421033324431 - 2²³ = 1421024935823 is a prime.

It is a super-2 number, since 2×1421033324431² (a number of 25 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 = 1421033324393 and 1421033324402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421033324461) 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, 42082825 + ... + 42116578.

It is an arithmetic number, because the mean of its divisors is an integer number (203088962448).

Almost surely, 2^{1421033324431} is an apocalyptic number.

1421033324431 is a deficient number, since it is larger than the sum of its proper divisors (203678375153).

1421033324431 is an equidigital number, since it uses as much as digits as its factorization.

1421033324431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84201821.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1421033324431 its reverse (1344233301241), we get a palindrome (2765266625672).

The spelling of 1421033324431 in words is "one trillion, four hundred twenty-one billion, thirty-three million, three hundred twenty-four thousand, four hundred thirty-one".