30203231033 has 16 divisors (see below), whose sum is σ = 32209618896. Its totient is φ = 28223078400.

The previous prime is 30203231021. The next prime is 30203231063. The reversal of 30203231033 is 33013230203.

It can be written as a sum of positive squares in 8 ways, for example, as 867420304 + 29335810729 = 29452^2 + 171277^2 .

It is a cyclic number.

It is not a de Polignac number, because 30203231033 - 2⁶ = 30203230969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30203230996 and 30203231014.

It is not an unprimeable number, because it can be changed into a prime (30203231063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1387433 + ... + 1409033.

It is an arithmetic number, because the mean of its divisors is an integer number (2013101181).

Almost surely, 2^30203231033 is an apocalyptic number.

It is an amenable number.

30203231033 is a deficient number, since it is larger than the sum of its proper divisors (2006387863).

30203231033 is a wasteful number, since it uses less digits than its factorization.

30203231033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22204.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30203231033 its reverse (33013230203), we get a palindrome (63216461236).

The spelling of 30203231033 in words is "thirty billion, two hundred three million, two hundred thirty-one thousand, thirty-three".