331169990 has 16 divisors (see below), whose sum is σ = 608789952. Its totient is φ = 129649344.

The previous prime is 331169987. The next prime is 331170001. The reversal of 331169990 is 99961133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351839 + ... + 352778.

It is an arithmetic number, because the mean of its divisors is an integer number (38049372).

Almost surely, 2^331169990 is an apocalyptic number.

331169990 is a deficient number, since it is larger than the sum of its proper divisors (277619962).

331169990 is a wasteful number, since it uses less digits than its factorization.

331169990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704671.

The product of its (nonzero) digits is 39366, while the sum is 41.

The square root of 331169990 is about 18198.0765467123. The cubic root of 331169990 is about 691.8580391409.

The spelling of 331169990 in words is "three hundred thirty-one million, one hundred sixty-nine thousand, nine hundred ninety".