142131303 has 6 divisors (see below), whose sum is σ = 205300784. Its totient is φ = 94754196.

The previous prime is 142131299. The next prime is 142131347. The reversal of 142131303 is 303131241.

It is not a de Polignac number, because 142131303 - 2² = 142131299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142139303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7896175 + ... + 7896192.

Almost surely, 2^142131303 is an apocalyptic number.

142131303 is a deficient number, since it is larger than the sum of its proper divisors (63169481).

142131303 is a wasteful number, since it uses less digits than its factorization.

142131303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15792373 (or 15792370 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 142131303 is about 11921.8833663142. The cubic root of 142131303 is about 521.8710982198.

Adding to 142131303 its reverse (303131241), we get a palindrome (445262544).

The spelling of 142131303 in words is "one hundred forty-two million, one hundred thirty-one thousand, three hundred three".