302142101 has 4 divisors (see below), whose sum is σ = 302247372. Its totient is φ = 302036832.

The previous prime is 302142073. The next prime is 302142107. The reversal of 302142101 is 101241203.

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

It can be written as a sum of positive squares in 2 ways, for example, as 253128100 + 49014001 = 15910^2 + 7001^2 .

It is a cyclic number.

It is not a de Polignac number, because 302142101 - 2²⁶ = 235033237 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 (302142107) 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, 48206 + ... + 54111.

It is an arithmetic number, because the mean of its divisors is an integer number (75561843).

Almost surely, 2^302142101 is an apocalyptic number.

It is an amenable number.

302142101 is a deficient number, since it is larger than the sum of its proper divisors (105271).

302142101 is a wasteful number, since it uses less digits than its factorization.

302142101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105270.

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

The square root of 302142101 is about 17382.2352129984. The cubic root of 302142101 is about 671.0224983072.

Adding to 302142101 its reverse (101241203), we get a palindrome (403383304).

The spelling of 302142101 in words is "three hundred two million, one hundred forty-two thousand, one hundred one".