33231343442 has 48 divisors (see below), whose sum is σ = 55927670400. Its totient is φ = 14793794400.

The previous prime is 33231343441. The next prime is 33231343447. The reversal of 33231343442 is 24434313233.

It is a super-2 number, since 2×33231343442² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33231343399 and 33231343408.

It is not an unprimeable number, because it can be changed into a prime (33231343441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3523409 + ... + 3532827.

It is an arithmetic number, because the mean of its divisors is an integer number (1165159800).

Almost surely, 2^33231343442 is an apocalyptic number.

33231343442 is a deficient number, since it is larger than the sum of its proper divisors (22696326958).

33231343442 is a wasteful number, since it uses less digits than its factorization.

33231343442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743 (or 9732 counting only the distinct ones).

The product of its digits is 62208, while the sum is 32.

Adding to 33231343442 its reverse (24434313233), we get a palindrome (57665656675).

It can be divided in two parts, 33231 and 343442, that added together give a palindrome (376673).

The spelling of 33231343442 in words is "thirty-three billion, two hundred thirty-one million, three hundred forty-three thousand, four hundred forty-two".