222031123312331 has 8 divisors (see below), whose sum is σ = 222150038024304. Its totient is φ = 221912219086560.

The previous prime is 222031123312283. The next prime is 222031123312343. The reversal of 222031123312331 is 133213321130222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222031123312331 - 2¹⁰ = 222031123311307 is a prime.

It is a super-2 number, since 2×222031123312331² (a number of 29 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 = 222031123312294 and 222031123312303.

It is not an unprimeable number, because it can be changed into a prime (222031123312231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39921836 + ... + 45142166.

It is an arithmetic number, because the mean of its divisors is an integer number (27768754753038).

Almost surely, 2^{222031123312331} is an apocalyptic number.

222031123312331 is a deficient number, since it is larger than the sum of its proper divisors (118914711973).

222031123312331 is a wasteful number, since it uses less digits than its factorization.

222031123312331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5243101.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 222031123312331 its reverse (133213321130222), we get a palindrome (355244444442553).

The spelling of 222031123312331 in words is "two hundred twenty-two trillion, thirty-one billion, one hundred twenty-three million, three hundred twelve thousand, three hundred thirty-one".