1421243010231 has 16 divisors (see below), whose sum is σ = 2067341270400. Its totient is φ = 861326604320.

The previous prime is 1421243010199. The next prime is 1421243010233. The reversal of 1421243010231 is 1320103421241.

It is a cyclic number.

It is not a de Polignac number, because 1421243010231 - 2⁵ = 1421243010199 is a prime.

It is a super-2 number, since 2×1421243010231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421243010233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74521 + ... + 1687613.

It is an arithmetic number, because the mean of its divisors is an integer number (129208829400).

Almost surely, 2^{1421243010231} is an apocalyptic number.

1421243010231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1421243010231 is a deficient number, since it is larger than the sum of its proper divisors (646098260169).

1421243010231 is a wasteful number, since it uses less digits than its factorization.

1421243010231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639806.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1421243010231 its reverse (1320103421241), we get a palindrome (2741346431472).

The spelling of 1421243010231 in words is "one trillion, four hundred twenty-one billion, two hundred forty-three million, ten thousand, two hundred thirty-one".