20133003231 has 48 divisors (see below), whose sum is σ = 33433021440. Its totient is φ = 11546271360.

The previous prime is 20133003217. The next prime is 20133003259. The reversal of 20133003231 is 13230033102.

It is not a de Polignac number, because 20133003231 - 2¹⁵ = 20132970463 is a prime.

It is a super-2 number, since 2×20133003231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133003281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1756786 + ... + 1768208.

It is an arithmetic number, because the mean of its divisors is an integer number (696521280).

Almost surely, 2^20133003231 is an apocalyptic number.

20133003231 is a deficient number, since it is larger than the sum of its proper divisors (13300018209).

20133003231 is a wasteful number, since it uses less digits than its factorization.

20133003231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12396 (or 12393 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20133003231 its reverse (13230033102), we get a palindrome (33363036333).

The spelling of 20133003231 in words is "twenty billion, one hundred thirty-three million, three thousand, two hundred thirty-one".