30231033309 has 24 divisors (see below), whose sum is σ = 46546039800. Its totient is φ = 18841171968.

The previous prime is 30231033307. The next prime is 30231033347. The reversal of 30231033309 is 90333013203.

It can be written as a sum of positive squares in 4 ways, for example, as 12065924025 + 18165109284 = 109845^2 + 134778^2 .

It is not a de Polignac number, because 30231033309 - 2¹ = 30231033307 is a prime.

It is a super-3 number, since 3×30231033309³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231033307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 640252 + ... + 685845.

It is an arithmetic number, because the mean of its divisors is an integer number (1939418325).

Almost surely, 2^30231033309 is an apocalyptic number.

It is an amenable number.

30231033309 is a deficient number, since it is larger than the sum of its proper divisors (16315006491).

30231033309 is a wasteful number, since it uses less digits than its factorization.

30231033309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326269 (or 1326266 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 27.

The spelling of 30231033309 in words is "thirty billion, two hundred thirty-one million, thirty-three thousand, three hundred nine".