1223331371 has 2 divisors, whose sum is σ = 1223331372. Its totient is φ = 1223331370.

The previous prime is 1223331313. The next prime is 1223331409. The reversal of 1223331371 is 1731333221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223331371 - 2¹⁰ = 1223330347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223331371.

It is not a weakly prime, because it can be changed into another prime (1223301371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611665685 + 611665686.

It is an arithmetic number, because the mean of its divisors is an integer number (611665686).

Almost surely, 2^1223331371 is an apocalyptic number.

1223331371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223331371 is an equidigital number, since it uses as much as digits as its factorization.

1223331371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 26.

The square root of 1223331371 is about 34976.1543197648. The cubic root of 1223331371 is about 1069.5014333766.

Adding to 1223331371 its reverse (1731333221), we get a palindrome (2954664592).

The spelling of 1223331371 in words is "one billion, two hundred twenty-three million, three hundred thirty-one thousand, three hundred seventy-one".