12223231020031 has 4 divisors (see below), whose sum is σ = 12223306030600. Its totient is φ = 12223156009464.

The previous prime is 12223231020023. The next prime is 12223231020047. The reversal of 12223231020031 is 13002013232221.

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 12223231020031 - 2³ = 12223231020023 is a prime.

It is a super-2 number, since 2×12223231020031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12223231019984 and 12223231020011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223231020001) 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, 37260321 + ... + 37586938.

It is an arithmetic number, because the mean of its divisors is an integer number (3055826507650).

Almost surely, 2^{12223231020031} is an apocalyptic number.

12223231020031 is a deficient number, since it is larger than the sum of its proper divisors (75010569).

12223231020031 is an equidigital number, since it uses as much as digits as its factorization.

12223231020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75010568.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12223231020031 its reverse (13002013232221), we get a palindrome (25225244252252).

The spelling of 12223231020031 in words is "twelve trillion, two hundred twenty-three billion, two hundred thirty-one million, twenty thousand, thirty-one".