11212343230031 has 2 divisors, whose sum is σ = 11212343230032. Its totient is φ = 11212343230030.

The previous prime is 11212343230009. The next prime is 11212343230087. The reversal of 11212343230031 is 13003234321211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11212343230031 - 2¹⁰ = 11212343229007 is a prime.

It is a super-2 number, since 2×11212343230031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212343280031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606171615015 + 5606171615016.

It is an arithmetic number, because the mean of its divisors is an integer number (5606171615016).

Almost surely, 2^{11212343230031} is an apocalyptic number.

11212343230031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212343230031 is an equidigital number, since it uses as much as digits as its factorization.

11212343230031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 11212343230031 its reverse (13003234321211), we get a palindrome (24215577551242).

The spelling of 11212343230031 in words is "eleven trillion, two hundred twelve billion, three hundred forty-three million, two hundred thirty thousand, thirty-one".