22310131213 has 4 divisors (see below), whose sum is σ = 22333542588. Its totient is φ = 22286719840.

The previous prime is 22310131183. The next prime is 22310131231. The reversal of 22310131213 is 31213101322.

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 4461972804 + 17848158409 = 66798^2 + 133597^2 .

It is a cyclic number.

It is not a de Polignac number, because 22310131213 - 2⁹ = 22310130701 is a prime.

It is a super-3 number, since 3×22310131213³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22310131513) 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, 11704258 + ... + 11706163.

It is an arithmetic number, because the mean of its divisors is an integer number (5583385647).

Almost surely, 2^22310131213 is an apocalyptic number.

It is an amenable number.

22310131213 is a deficient number, since it is larger than the sum of its proper divisors (23411375).

22310131213 is an equidigital number, since it uses as much as digits as its factorization.

22310131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23411374.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22310131213 its reverse (31213101322), we get a palindrome (53523232535).

The spelling of 22310131213 in words is "twenty-two billion, three hundred ten million, one hundred thirty-one thousand, two hundred thirteen".