331033150551442 has 4 divisors (see below), whose sum is σ = 496549725827166. Its totient is φ = 165516575275720.

The previous prime is 331033150551409. The next prime is 331033150551479. The reversal of 331033150551442 is 244155051330133.

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., 291993284771721 + 39039865779721 = 17087811^2 + 6248189^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331033150551395 and 331033150551404.

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, 82758287637859 + ... + 82758287637862.

Almost surely, 2^{331033150551442} is an apocalyptic number.

331033150551442 is a deficient number, since it is larger than the sum of its proper divisors (165516575275724).

331033150551442 is a wasteful number, since it uses less digits than its factorization.

331033150551442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165516575275723.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 331033150551442 in words is "three hundred thirty-one trillion, thirty-three billion, one hundred fifty million, five hundred fifty-one thousand, four hundred forty-two".