320711954 has 16 divisors (see below), whose sum is σ = 505075392. Its totient is φ = 152439408.

The previous prime is 320711933. The next prime is 320711983. The reversal of 320711954 is 459117023.

It is a self number, because there is not a number n which added to its sum of digits gives 320711954.

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, 13889 + ... + 28884.

It is an arithmetic number, because the mean of its divisors is an integer number (31567212).

Almost surely, 2^320711954 is an apocalyptic number.

320711954 is a deficient number, since it is larger than the sum of its proper divisors (184363438).

320711954 is a wasteful number, since it uses less digits than its factorization.

320711954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42961.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 320711954 is about 17908.4324830511. The cubic root of 320711954 is about 684.4972630310.

Adding to 320711954 its reverse (459117023), we get a palindrome (779828977).

The spelling of 320711954 in words is "three hundred twenty million, seven hundred eleven thousand, nine hundred fifty-four".