22431002113 has 4 divisors (see below), whose sum is σ = 24156463828. Its totient is φ = 20705540400.

The previous prime is 22431002107. The next prime is 22431002117. The reversal of 22431002113 is 31120013422.

It is a happy number.

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 15102443664 + 7328558449 = 122892^2 + 85607^2 .

It is a cyclic number.

It is not a de Polignac number, because 22431002113 - 2⁹ = 22431001601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22431002117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862730838 + ... + 862730863.

It is an arithmetic number, because the mean of its divisors is an integer number (6039115957).

Almost surely, 2^22431002113 is an apocalyptic number.

It is an amenable number.

22431002113 is a deficient number, since it is larger than the sum of its proper divisors (1725461715).

22431002113 is a wasteful number, since it uses less digits than its factorization.

22431002113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725461714.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22431002113 its reverse (31120013422), we get a palindrome (53551015535).

The spelling of 22431002113 in words is "twenty-two billion, four hundred thirty-one million, two thousand, one hundred thirteen".