233031133001 has 2 divisors, whose sum is σ = 233031133002. Its totient is φ = 233031133000.

The previous prime is 233031132991. The next prime is 233031133003. The reversal of 233031133001 is 100331130332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133187772601 + 99843360400 = 364949^2 + 315980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233031133001 is a prime.

It is a Sophie Germain prime.

Together with 233031133003, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (233031133003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116515566500 + 116515566501.

It is an arithmetic number, because the mean of its divisors is an integer number (116515566501).

Almost surely, 2^233031133001 is an apocalyptic number.

It is an amenable number.

233031133001 is a deficient number, since it is larger than the sum of its proper divisors (1).

233031133001 is an equidigital number, since it uses as much as digits as its factorization.

233031133001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 233031133001 its reverse (100331130332), we get a palindrome (333362263333).

The spelling of 233031133001 in words is "two hundred thirty-three billion, thirty-one million, one hundred thirty-three thousand, one".