1234434221231 has 16 divisors (see below), whose sum is σ = 1290900354048. Its totient is φ = 1178202168000.

The previous prime is 1234434221201. The next prime is 1234434221233. The reversal of 1234434221231 is 1321224344321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1234434221231 - 2²² = 1234430026927 is a prime.

It is a super-2 number, since 2×1234434221231² (a number of 25 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 (1234434221233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59317430 + ... + 59338236.

It is an arithmetic number, because the mean of its divisors is an integer number (80681272128).

Almost surely, 2^{1234434221231} is an apocalyptic number.

1234434221231 is a deficient number, since it is larger than the sum of its proper divisors (56466132817).

1234434221231 is a wasteful number, since it uses less digits than its factorization.

1234434221231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26302.

The product of its digits is 27648, while the sum is 32.

Adding to 1234434221231 its reverse (1321224344321), we get a palindrome (2555658565552).

The spelling of 1234434221231 in words is "one trillion, two hundred thirty-four billion, four hundred thirty-four million, two hundred twenty-one thousand, two hundred thirty-one".