142031301 has 4 divisors (see below), whose sum is σ = 189375072. Its totient is φ = 94687532.

The previous prime is 142031293. The next prime is 142031317. The reversal of 142031301 is 103130241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142031301 - 2³ = 142031293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142031341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23671881 + ... + 23671886.

It is an arithmetic number, because the mean of its divisors is an integer number (47343768).

Almost surely, 2^142031301 is an apocalyptic number.

It is an amenable number.

142031301 is a deficient number, since it is larger than the sum of its proper divisors (47343771).

142031301 is an equidigital number, since it uses as much as digits as its factorization.

142031301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47343770.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 142031301 is about 11917.6885762299. The cubic root of 142031301 is about 521.7486752750.

Adding to 142031301 its reverse (103130241), we get a palindrome (245161542).

The spelling of 142031301 in words is "one hundred forty-two million, thirty-one thousand, three hundred one".