316020142 has 4 divisors (see below), whose sum is σ = 474030216. Its totient is φ = 158010070.

The previous prime is 316020127. The next prime is 316020149. The reversal of 316020142 is 241020613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241020613 = 151 ⋅1596163.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316020149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79005034 + ... + 79005037.

It is an arithmetic number, because the mean of its divisors is an integer number (118507554).

Almost surely, 2^316020142 is an apocalyptic number.

316020142 is a deficient number, since it is larger than the sum of its proper divisors (158010074).

316020142 is a wasteful number, since it uses less digits than its factorization.

316020142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158010073.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 316020142 is about 17776.9553636161. The cubic root of 316020142 is about 681.1429322858.

Adding to 316020142 its reverse (241020613), we get a palindrome (557040755).

The spelling of 316020142 in words is "three hundred sixteen million, twenty thousand, one hundred forty-two".