2231100023213 has 2 divisors, whose sum is σ = 2231100023214. Its totient is φ = 2231100023212.

The previous prime is 2231100023203. The next prime is 2231100023233. The reversal of 2231100023213 is 3123200011322.

It is an a-pointer prime, because the next prime (2231100023233) can be obtained adding 2231100023213 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2193189207364 + 37910815849 = 1480942^2 + 194707^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231100023213 - 2¹⁸ = 2231099761069 is a prime.

It is a super-3 number, since 3×2231100023213³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231100023203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115550011606 + 1115550011607.

It is an arithmetic number, because the mean of its divisors is an integer number (1115550011607).

Almost surely, 2^{2231100023213} is an apocalyptic number.

It is an amenable number.

2231100023213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231100023213 is an equidigital number, since it uses as much as digits as its factorization.

2231100023213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2231100023213 its reverse (3123200011322), we get a palindrome (5354300034535).

The spelling of 2231100023213 in words is "two trillion, two hundred thirty-one billion, one hundred million, twenty-three thousand, two hundred thirteen".