30411231121 has 4 divisors (see below), whose sum is σ = 30537419044. Its totient is φ = 30285043200.

The previous prime is 30411231101. The next prime is 30411231157. The reversal of 30411231121 is 12113211403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12113211403 = 97879 ⋅123757.

It can be written as a sum of positive squares in 2 ways, for example, as 22220076096 + 8191155025 = 149064^2 + 90505^2 .

It is a cyclic number.

It is not a de Polignac number, because 30411231121 - 2²³ = 30402842513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30411231101) 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, 63093600 + ... + 63094081.

It is an arithmetic number, because the mean of its divisors is an integer number (7634354761).

Almost surely, 2^30411231121 is an apocalyptic number.

It is an amenable number.

30411231121 is a deficient number, since it is larger than the sum of its proper divisors (126187923).

30411231121 is a wasteful number, since it uses less digits than its factorization.

30411231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126187922.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 30411231121 its reverse (12113211403), we get a palindrome (42524442524).

The spelling of 30411231121 in words is "thirty billion, four hundred eleven million, two hundred thirty-one thousand, one hundred twenty-one".