222031123312343 has 2 divisors, whose sum is σ = 222031123312344. Its totient is φ = 222031123312342.

The previous prime is 222031123312283. The next prime is 222031123312367. The reversal of 222031123312343 is 343213321130222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222031123312343 is a prime.

It is a super-2 number, since 2×222031123312343² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222031123312373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111015561656171 + 111015561656172.

It is an arithmetic number, because the mean of its divisors is an integer number (111015561656172).

Almost surely, 2^{222031123312343} is an apocalyptic number.

222031123312343 is a deficient number, since it is larger than the sum of its proper divisors (1).

222031123312343 is an equidigital number, since it uses as much as digits as its factorization.

222031123312343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 222031123312343 its reverse (343213321130222), we get a palindrome (565244444442565).

The spelling of 222031123312343 in words is "two hundred twenty-two trillion, thirty-one billion, one hundred twenty-three million, three hundred twelve thousand, three hundred forty-three".