320133133442 has 4 divisors (see below), whose sum is σ = 480199700166. Its totient is φ = 160066566720.

The previous prime is 320133133433. The next prime is 320133133451. The reversal of 320133133442 is 244331331023.

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

It is an interprime number because it is at equal distance from previous prime (320133133433) and next prime (320133133451).

It can be written as a sum of positive squares in only one way, i.e., 165755651161 + 154377482281 = 407131^2 + 392909^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80033283359 + ... + 80033283362.

Almost surely, 2^320133133442 is an apocalyptic number.

320133133442 is a deficient number, since it is larger than the sum of its proper divisors (160066566724).

320133133442 is a wasteful number, since it uses less digits than its factorization.

320133133442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160066566723.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 320133133442 its reverse (244331331023), we get a palindrome (564464464465).

The spelling of 320133133442 in words is "three hundred twenty billion, one hundred thirty-three million, one hundred thirty-three thousand, four hundred forty-two".