2210312231213 has 4 divisors (see below), whose sum is σ = 2210316550428. Its totient is φ = 2210307912000.

The previous prime is 2210312231159. The next prime is 2210312231251. The reversal of 2210312231213 is 3121322130122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2031143733124 + 179168498089 = 1425182^2 + 423283^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210312231213 - 2³⁰ = 2209238489389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210312236213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269788 + ... + 2456213.

It is an arithmetic number, because the mean of its divisors is an integer number (552579137607).

Almost surely, 2^{2210312231213} is an apocalyptic number.

It is an amenable number.

2210312231213 is a deficient number, since it is larger than the sum of its proper divisors (4319215).

2210312231213 is an equidigital number, since it uses as much as digits as its factorization.

2210312231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319214.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2210312231213 its reverse (3121322130122), we get a palindrome (5331634361335).

The spelling of 2210312231213 in words is "two trillion, two hundred ten billion, three hundred twelve million, two hundred thirty-one thousand, two hundred thirteen".