1223301322331 has 4 divisors (see below), whose sum is σ = 1334510533464. Its totient is φ = 1112092111200.

The previous prime is 1223301322283. The next prime is 1223301322403. The reversal of 1223301322331 is 1332231033221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223301322331 is a prime.

It is a super-2 number, since 2×1223301322331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223301322331.

It is not an unprimeable number, because it can be changed into a prime (1223301322531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55604605550 + ... + 55604605571.

It is an arithmetic number, because the mean of its divisors is an integer number (333627633366).

Almost surely, 2^{1223301322331} is an apocalyptic number.

1223301322331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1223301322331 is a deficient number, since it is larger than the sum of its proper divisors (111209211133).

1223301322331 is a wasteful number, since it uses less digits than its factorization.

1223301322331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111209211132.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1223301322331 its reverse (1332231033221), we get a palindrome (2555532355552).

The spelling of 1223301322331 in words is "one trillion, two hundred twenty-three billion, three hundred one million, three hundred twenty-two thousand, three hundred thirty-one".