33232313138 has 4 divisors (see below), whose sum is σ = 49848469710. Its totient is φ = 16616156568.

The previous prime is 33232313137. The next prime is 33232313141. The reversal of 33232313138 is 83131323233.

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

It can be written as a sum of positive squares in only one way, i.e., 32203379209 + 1028933929 = 179453^2 + 32077^2 .

It is a super-2 number, since 2×33232313138² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33232313137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8308078283 + ... + 8308078286.

Almost surely, 2^33232313138 is an apocalyptic number.

33232313138 is a deficient number, since it is larger than the sum of its proper divisors (16616156572).

33232313138 is a wasteful number, since it uses less digits than its factorization.

33232313138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16616156571.

The product of its digits is 23328, while the sum is 32.

The spelling of 33232313138 in words is "thirty-three billion, two hundred thirty-two million, three hundred thirteen thousand, one hundred thirty-eight".