30231021099 has 16 divisors (see below), whose sum is σ = 41613465600. Its totient is φ = 19501457280.

The previous prime is 30231021097. The next prime is 30231021101. The reversal of 30231021099 is 99012013203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30231021097) and next prime (30231021101).

It is not a de Polignac number, because 30231021099 - 2¹ = 30231021097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30231021097) 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 15 ways as a sum of consecutive naturals, for example, 1013602 + ... + 1043000.

It is an arithmetic number, because the mean of its divisors is an integer number (2600841600).

Almost surely, 2^30231021099 is an apocalyptic number.

30231021099 is a deficient number, since it is larger than the sum of its proper divisors (11382444501).

30231021099 is a wasteful number, since it uses less digits than its factorization.

30231021099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40490.

The product of its (nonzero) digits is 2916, while the sum is 30.

The spelling of 30231021099 in words is "thirty billion, two hundred thirty-one million, twenty-one thousand, ninety-nine".