22231230313 has 4 divisors (see below), whose sum is σ = 23197805568. Its totient is φ = 21264655060.

The previous prime is 22231230299. The next prime is 22231230319. The reversal of 22231230313 is 31303213222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-22231230313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22231230319) 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, 483287593 + ... + 483287638.

It is an arithmetic number, because the mean of its divisors is an integer number (5799451392).

Almost surely, 2^22231230313 is an apocalyptic number.

22231230313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22231230313 is a deficient number, since it is larger than the sum of its proper divisors (966575255).

22231230313 is an equidigital number, since it uses as much as digits as its factorization.

22231230313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966575254.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 22231230313 its reverse (31303213222), we get a palindrome (53534443535).

The spelling of 22231230313 in words is "twenty-two billion, two hundred thirty-one million, two hundred thirty thousand, three hundred thirteen".