20133232031 has 8 divisors (see below), whose sum is σ = 22180987728. Its totient is φ = 18121720000.

The previous prime is 20133232013. The next prime is 20133232037. The reversal of 20133232031 is 13023233102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20133232031 - 2³⁰ = 19059490207 is a prime.

It is a super-2 number, since 2×20133232031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20133231994 and 20133232012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133232037) 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 7 ways as a sum of consecutive naturals, for example, 9059750 + ... + 9061971.

It is an arithmetic number, because the mean of its divisors is an integer number (2772623466).

Almost surely, 2^20133232031 is an apocalyptic number.

20133232031 is a deficient number, since it is larger than the sum of its proper divisors (2047755697).

20133232031 is a wasteful number, since it uses less digits than its factorization.

20133232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18121833.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20133232031 its reverse (13023233102), we get a palindrome (33156465133).

The spelling of 20133232031 in words is "twenty billion, one hundred thirty-three million, two hundred thirty-two thousand, thirty-one".