234222451231 has 4 divisors (see below), whose sum is σ = 235194328864. Its totient is φ = 233250573600.

The previous prime is 234222451219. The next prime is 234222451259. The reversal of 234222451231 is 132154222432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234222451231 - 2⁷ = 234222451103 is a prime.

It is a super-2 number, since 2×234222451231² (a number of 24 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 = 234222451193 and 234222451202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234222451201) 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 3 ways as a sum of consecutive naturals, for example, 485938455 + ... + 485938936.

It is an arithmetic number, because the mean of its divisors is an integer number (58798582216).

Almost surely, 2^234222451231 is an apocalyptic number.

234222451231 is a deficient number, since it is larger than the sum of its proper divisors (971877633).

234222451231 is an equidigital number, since it uses as much as digits as its factorization.

234222451231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971877632.

The product of its digits is 23040, while the sum is 31.

Adding to 234222451231 its reverse (132154222432), we get a palindrome (366376673663).

The spelling of 234222451231 in words is "two hundred thirty-four billion, two hundred twenty-two million, four hundred fifty-one thousand, two hundred thirty-one".