33231440342 has 16 divisors (see below), whose sum is σ = 51084594000. Its totient is φ = 16204427232.

The previous prime is 33231440323. The next prime is 33231440351. The reversal of 33231440342 is 24304413233.

It is a super-2 number, since 2×33231440342² (a number of 22 digits) contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 239717 + ... + 352032.

It is an arithmetic number, because the mean of its divisors is an integer number (3192787125).

Almost surely, 2^33231440342 is an apocalyptic number.

33231440342 is a deficient number, since it is larger than the sum of its proper divisors (17853153658).

33231440342 is a wasteful number, since it uses less digits than its factorization.

33231440342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592447.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 33231440342 its reverse (24304413233), we get a palindrome (57535853575).

The spelling of 33231440342 in words is "thirty-three billion, two hundred thirty-one million, four hundred forty thousand, three hundred forty-two".