30302133121 has 4 divisors (see below), whose sum is σ = 32633066452. Its totient is φ = 27971199792.

The previous prime is 30302133107. The next prime is 30302133131. The reversal of 30302133121 is 12133120303.

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 17039386225 + 13262746896 = 130535^2 + 115164^2 .

It is a cyclic number.

It is not a de Polignac number, because 30302133121 - 2¹¹ = 30302131073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30302133131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165466646 + ... + 1165466671.

It is an arithmetic number, because the mean of its divisors is an integer number (8158266613).

Almost surely, 2^30302133121 is an apocalyptic number.

It is an amenable number.

30302133121 is a deficient number, since it is larger than the sum of its proper divisors (2330933331).

30302133121 is a wasteful number, since it uses less digits than its factorization.

30302133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330933330.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30302133121 its reverse (12133120303), we get a palindrome (42435253424).

The spelling of 30302133121 in words is "thirty billion, three hundred two million, one hundred thirty-three thousand, one hundred twenty-one".