31241224123 has 8 divisors (see below), whose sum is σ = 31283910000. Its totient is φ = 31198570368.

The previous prime is 31241224117. The next prime is 31241224163. The reversal of 31241224123 is 32142214213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31241224123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31241224163) 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, 2405415 + ... + 2418367.

It is an arithmetic number, because the mean of its divisors is an integer number (3910488750).

Almost surely, 2^31241224123 is an apocalyptic number.

31241224123 is a deficient number, since it is larger than the sum of its proper divisors (42685877).

31241224123 is a wasteful number, since it uses less digits than its factorization.

31241224123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16061.

The product of its digits is 2304, while the sum is 25.

Adding to 31241224123 its reverse (32142214213), we get a palindrome (63383438336).

The spelling of 31241224123 in words is "thirty-one billion, two hundred forty-one million, two hundred twenty-four thousand, one hundred twenty-three".