233131223001322 has 4 divisors (see below), whose sum is σ = 349696834501986. Its totient is φ = 116565611500660.

The previous prime is 233131223001317. The next prime is 233131223001343. The reversal of 233131223001322 is 223100322131332.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 232966525824081 + 164697177241 = 15263241^2 + 405829^2 .

It is a super-2 number, since 2×233131223001322² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 58282805750329 + ... + 58282805750332.

Almost surely, 2^{233131223001322} is an apocalyptic number.

233131223001322 is a deficient number, since it is larger than the sum of its proper divisors (116565611500664).

233131223001322 is a wasteful number, since it uses less digits than its factorization.

233131223001322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116565611500663.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 233131223001322 its reverse (223100322131332), we get a palindrome (456231545132654).

The spelling of 233131223001322 in words is "two hundred thirty-three trillion, one hundred thirty-one billion, two hundred twenty-three million, one thousand, three hundred twenty-two".