2213312101031 has 2 divisors, whose sum is σ = 2213312101032. Its totient is φ = 2213312101030.

The previous prime is 2213312101027. The next prime is 2213312101037. The reversal of 2213312101031 is 1301012133122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2213312101031 - 2² = 2213312101027 is a prime.

It is a super-2 number, since 2×2213312101031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2213312100994 and 2213312101012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2213312101037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106656050515 + 1106656050516.

It is an arithmetic number, because the mean of its divisors is an integer number (1106656050516).

Almost surely, 2^{2213312101031} is an apocalyptic number.

2213312101031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213312101031 is an equidigital number, since it uses as much as digits as its factorization.

2213312101031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2213312101031 its reverse (1301012133122), we get a palindrome (3514324234153).

The spelling of 2213312101031 in words is "two trillion, two hundred thirteen billion, three hundred twelve million, one hundred one thousand, thirty-one".