31032430424 has 8 divisors (see below), whose sum is σ = 58185807060. Its totient is φ = 15516215208.

The previous prime is 31032430393. The next prime is 31032430441. The reversal of 31032430424 is 42403423013.

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 = 31032430393 and 31032430402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939526894 + ... + 1939526909.

Almost surely, 2^31032430424 is an apocalyptic number.

It is an amenable number.

31032430424 is a deficient number, since it is larger than the sum of its proper divisors (27153376636).

31032430424 is a wasteful number, since it uses less digits than its factorization.

31032430424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879053809 (or 3879053805 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 31032430424 its reverse (42403423013), we get a palindrome (73435853437).

The spelling of 31032430424 in words is "thirty-one billion, thirty-two million, four hundred thirty thousand, four hundred twenty-four".