300042131 has 4 divisors (see below), whose sum is σ = 300258000. Its totient is φ = 299826264.

The previous prime is 300042121. The next prime is 300042143. The reversal of 300042131 is 131240003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-300042131 is a prime.

It is a super-2 number, since 2×300042131² = 180050560750042322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (300042121) 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, 105836 + ... + 108633.

It is an arithmetic number, because the mean of its divisors is an integer number (75064500).

Almost surely, 2^300042131 is an apocalyptic number.

300042131 is a deficient number, since it is larger than the sum of its proper divisors (215869).

300042131 is a wasteful number, since it uses less digits than its factorization.

300042131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215868.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 300042131 is about 17321.7242502010. The cubic root of 300042131 is about 669.4642862593.

Adding to 300042131 its reverse (131240003), we get a palindrome (431282134).

The spelling of 300042131 in words is "three hundred million, forty-two thousand, one hundred thirty-one".