30434432121 has 12 divisors (see below), whose sum is σ = 46546778772. Its totient is φ = 19096114176.

The previous prime is 30434432081. The next prime is 30434432153. The reversal of 30434432121 is 12123443403.

30434432121 is a `hidden beast` number, since 3 + 0 + 4 + 3 + 443 + 212 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9036593721 + 21397838400 = 95061^2 + 146280^2 .

It is not a de Polignac number, because 30434432121 - 2²³ = 30426043513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30434432221) 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, 99458776 + ... + 99459081.

It is an arithmetic number, because the mean of its divisors is an integer number (3878898231).

Almost surely, 2^30434432121 is an apocalyptic number.

It is an amenable number.

30434432121 is a deficient number, since it is larger than the sum of its proper divisors (16112346651).

30434432121 is a wasteful number, since it uses less digits than its factorization.

30434432121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198917880 (or 198917877 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 30434432121 its reverse (12123443403), we get a palindrome (42557875524).

The spelling of 30434432121 in words is "thirty billion, four hundred thirty-four million, four hundred thirty-two thousand, one hundred twenty-one".