2231424321 has 8 divisors (see below), whose sum is σ = 3400265664. Its totient is φ = 1275099600.

The previous prime is 2231424271. The next prime is 2231424329. The reversal of 2231424321 is 1234241322.

It is a happy number.

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

It is not a de Polignac number, because 2231424321 - 2⁶ = 2231424257 is a prime.

It is a super-3 number, since 3×2231424321³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2231424291 and 2231424300.

It is not an unprimeable number, because it can be changed into a prime (2231424329) 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, 53129130 + ... + 53129171.

It is an arithmetic number, because the mean of its divisors is an integer number (425033208).

Almost surely, 2^2231424321 is an apocalyptic number.

2231424321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2231424321 is a deficient number, since it is larger than the sum of its proper divisors (1168841343).

2231424321 is a wasteful number, since it uses less digits than its factorization.

2231424321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106258311.

The product of its digits is 2304, while the sum is 24.

The square root of 2231424321 is about 47237.9542423251. The cubic root of 2231424321 is about 1306.7546497385.

Adding to 2231424321 its reverse (1234241322), we get a palindrome (3465665643).

The spelling of 2231424321 in words is "two billion, two hundred thirty-one million, four hundred twenty-four thousand, three hundred twenty-one".