22131231347 has 2 divisors, whose sum is σ = 22131231348. Its totient is φ = 22131231346.

The previous prime is 22131231341. The next prime is 22131231377. The reversal of 22131231347 is 74313213122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22131231347 - 2²⁸ = 21862795891 is a prime.

It is not a weakly prime, because it can be changed into another prime (22131231341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065615673 + 11065615674.

It is an arithmetic number, because the mean of its divisors is an integer number (11065615674).

Almost surely, 2^22131231347 is an apocalyptic number.

22131231347 is a deficient number, since it is larger than the sum of its proper divisors (1).

22131231347 is an equidigital number, since it uses as much as digits as its factorization.

22131231347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

Adding to 22131231347 its reverse (74313213122), we get a palindrome (96444444469).

The spelling of 22131231347 in words is "twenty-two billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred forty-seven".