302130120101 has 4 divisors (see below), whose sum is σ = 304803838092. Its totient is φ = 299456402112.

The previous prime is 302130120091. The next prime is 302130120113. The reversal of 302130120101 is 101021031203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101021031203 = 282427 ⋅357689.

It can be written as a sum of positive squares in 2 ways, for example, as 73384101025 + 228746019076 = 270895^2 + 478274^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302130120101 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 (302130120121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336858826 + ... + 1336859051.

It is an arithmetic number, because the mean of its divisors is an integer number (76200959523).

Almost surely, 2^302130120101 is an apocalyptic number.

It is an amenable number.

302130120101 is a deficient number, since it is larger than the sum of its proper divisors (2673717991).

302130120101 is a wasteful number, since it uses less digits than its factorization.

302130120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673717990.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 302130120101 its reverse (101021031203), we get a palindrome (403151151304).

The spelling of 302130120101 in words is "three hundred two billion, one hundred thirty million, one hundred twenty thousand, one hundred one".