31103134424 has 8 divisors (see below), whose sum is σ = 58318377060. Its totient is φ = 15551567208.

The previous prime is 31103134411. The next prime is 31103134483. The reversal of 31103134424 is 42443130113.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 31103134393 and 31103134402.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1943945894 + ... + 1943945909.

Almost surely, 2^31103134424 is an apocalyptic number.

It is an amenable number.

31103134424 is a deficient number, since it is larger than the sum of its proper divisors (27215242636).

31103134424 is a wasteful number, since it uses less digits than its factorization.

31103134424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887891809 (or 3887891805 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31103134424 its reverse (42443130113), we get a palindrome (73546264537).

The spelling of 31103134424 in words is "thirty-one billion, one hundred three million, one hundred thirty-four thousand, four hundred twenty-four".