320542942 has 8 divisors (see below), whose sum is σ = 482242176. Its totient is φ = 159795552.

The previous prime is 320542933. The next prime is 320542969. The reversal of 320542942 is 249245023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237118 + ... + 238465.

It is an arithmetic number, because the mean of its divisors is an integer number (60280272).

Almost surely, 2^320542942 is an apocalyptic number.

320542942 is a deficient number, since it is larger than the sum of its proper divisors (161699234).

320542942 is a wasteful number, since it uses less digits than its factorization.

320542942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475922.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 320542942 is about 17903.7130785767. The cubic root of 320542942 is about 684.3770008268.

Adding to 320542942 its reverse (249245023), we get a palindrome (569787965).

The spelling of 320542942 in words is "three hundred twenty million, five hundred forty-two thousand, nine hundred forty-two".