33031420424 has 32 divisors (see below), whose sum is σ = 63391680000. Its totient is φ = 16127184192.

The previous prime is 33031420361. The next prime is 33031420439. The reversal of 33031420424 is 42402413033.

It is a junction number, because it is equal to n+sod(n) for n = 33031420393 and 33031420402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485017 + ... + 1507095.

It is an arithmetic number, because the mean of its divisors is an integer number (1980990000).

Almost surely, 2^33031420424 is an apocalyptic number.

It is an amenable number.

33031420424 is a deficient number, since it is larger than the sum of its proper divisors (30360259576).

33031420424 is a wasteful number, since it uses less digits than its factorization.

33031420424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26477 (or 26473 counting only the distinct ones).

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

Adding to 33031420424 its reverse (42402413033), we get a palindrome (75433833457).

The spelling of 33031420424 in words is "thirty-three billion, thirty-one million, four hundred twenty thousand, four hundred twenty-four".