30121332093 has 12 divisors (see below), whose sum is σ = 43893624060. Its totient is φ = 19903180416.

The previous prime is 30121332091. The next prime is 30121332103. The reversal of 30121332093 is 39023312103.

30121332093 is a `hidden beast` number, since 301 + 21 + 332 + 0 + 9 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 763251129 + 29358080964 = 27627^2 + 171342^2 .

It is not a de Polignac number, because 30121332093 - 2¹ = 30121332091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121332091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14807898 + ... + 14809931.

It is an arithmetic number, because the mean of its divisors is an integer number (3657802005).

Almost surely, 2^30121332093 is an apocalyptic number.

It is an amenable number.

30121332093 is a deficient number, since it is larger than the sum of its proper divisors (13772291967).

30121332093 is a wasteful number, since it uses less digits than its factorization.

30121332093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29617948 (or 29617945 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 30121332093 its reverse (39023312103), we get a palindrome (69144644196).

The spelling of 30121332093 in words is "thirty billion, one hundred twenty-one million, three hundred thirty-two thousand, ninety-three".