31553224113 has 8 divisors (see below), whose sum is σ = 42073589248. Its totient is φ = 21034170864.

The previous prime is 31553224093. The next prime is 31553224127. The reversal of 31553224113 is 31142235513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31553224113 - 2²⁴ = 31536446897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31553224163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270406 + ... + 369087.

It is an arithmetic number, because the mean of its divisors is an integer number (5259198656).

Almost surely, 2^31553224113 is an apocalyptic number.

It is an amenable number.

31553224113 is a deficient number, since it is larger than the sum of its proper divisors (10520365135).

31553224113 is a wasteful number, since it uses less digits than its factorization.

31553224113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655943.

The product of its digits is 10800, while the sum is 30.

Adding to 31553224113 its reverse (31142235513), we get a palindrome (62695459626).

The spelling of 31553224113 in words is "thirty-one billion, five hundred fifty-three million, two hundred twenty-four thousand, one hundred thirteen".