320101142 has 4 divisors (see below), whose sum is σ = 480151716. Its totient is φ = 160050570.

The previous prime is 320101141. The next prime is 320101147. The reversal of 320101142 is 241101023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241101023 = 47 ⋅5129809.

It is a super-2 number, since 2×320101142² = 204929482219408328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320101141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80025284 + ... + 80025287.

It is an arithmetic number, because the mean of its divisors is an integer number (120037929).

Almost surely, 2^320101142 is an apocalyptic number.

320101142 is a deficient number, since it is larger than the sum of its proper divisors (160050574).

320101142 is a wasteful number, since it uses less digits than its factorization.

320101142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160050573.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 320101142 is about 17891.3706014939. The cubic root of 320101142 is about 684.0624337411.

Adding to 320101142 its reverse (241101023), we get a palindrome (561202165).

The spelling of 320101142 in words is "three hundred twenty million, one hundred one thousand, one hundred forty-two".