33012431422 has 4 divisors (see below), whose sum is σ = 49518647136. Its totient is φ = 16506215710.

The previous prime is 33012431401. The next prime is 33012431453. The reversal of 33012431422 is 22413421033.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 8253107854 + ... + 8253107857.

It is an arithmetic number, because the mean of its divisors is an integer number (12379661784).

Almost surely, 2^33012431422 is an apocalyptic number.

33012431422 is a deficient number, since it is larger than the sum of its proper divisors (16506215714).

33012431422 is a wasteful number, since it uses less digits than its factorization.

33012431422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16506215713.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 33012431422 its reverse (22413421033), we get a palindrome (55425852455).

The spelling of 33012431422 in words is "thirty-three billion, twelve million, four hundred thirty-one thousand, four hundred twenty-two".