31240400110424 has 16 divisors (see below), whose sum is σ = 58577259190920. Its totient is φ = 15619797659520.

The previous prime is 31240400110379. The next prime is 31240400110457. The reversal of 31240400110424 is 42401100404213.

It is a junction number, because it is equal to n+sod(n) for n = 31240400110393 and 31240400110402.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 49969382 + ... + 50590709.

Almost surely, 2^{31240400110424} is an apocalyptic number.

It is an amenable number.

31240400110424 is a deficient number, since it is larger than the sum of its proper divisors (27336859080496).

31240400110424 is a wasteful number, since it uses less digits than its factorization.

31240400110424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100598930 (or 100598926 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 31240400110424 its reverse (42401100404213), we get a palindrome (73641500514637).

The spelling of 31240400110424 in words is "thirty-one trillion, two hundred forty billion, four hundred million, one hundred ten thousand, four hundred twenty-four".