1223032310331 has 16 divisors (see below), whose sum is σ = 1789283847456. Its totient is φ = 738434601216.

The previous prime is 1223032310323. The next prime is 1223032310351. The reversal of 1223032310331 is 1330132303221.

It is not a de Polignac number, because 1223032310331 - 2³ = 1223032310323 is a prime.

It is a super-2 number, since 2×1223032310331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223032310351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295845130 + ... + 295849263.

It is an arithmetic number, because the mean of its divisors is an integer number (111830240466).

Almost surely, 2^{1223032310331} is an apocalyptic number.

1223032310331 is a deficient number, since it is larger than the sum of its proper divisors (566251537125).

1223032310331 is a wasteful number, since it uses less digits than its factorization.

1223032310331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591694462.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1223032310331 its reverse (1330132303221), we get a palindrome (2553164613552).

The spelling of 1223032310331 in words is "one trillion, two hundred twenty-three billion, thirty-two million, three hundred ten thousand, three hundred thirty-one".