1223102132331 has 4 divisors (see below), whose sum is σ = 1630802843112. Its totient is φ = 815401421552.

The previous prime is 1223102132323. The next prime is 1223102132333. The reversal of 1223102132331 is 1332312013221.

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 1223102132331 - 2³ = 1223102132323 is a prime.

It is a super-2 number, since 2×1223102132331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223102132333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203850355386 + ... + 203850355391.

It is an arithmetic number, because the mean of its divisors is an integer number (407700710778).

Almost surely, 2^{1223102132331} is an apocalyptic number.

1223102132331 is a deficient number, since it is larger than the sum of its proper divisors (407700710781).

1223102132331 is an equidigital number, since it uses as much as digits as its factorization.

1223102132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407700710780.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1223102132331 its reverse (1332312013221), we get a palindrome (2555414145552).

The spelling of 1223102132331 in words is "one trillion, two hundred twenty-three billion, one hundred two million, one hundred thirty-two thousand, three hundred thirty-one".