201001323304031 has 2 divisors, whose sum is σ = 201001323304032. Its totient is φ = 201001323304030.

The previous prime is 201001323304013. The next prime is 201001323304049. The reversal of 201001323304031 is 130403323100102.

Together with previous prime (201001323304013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (201001323304013) and next prime (201001323304049).

It is a cyclic number.

It is not a de Polignac number, because 201001323304031 - 2¹⁰ = 201001323303007 is a prime.

It is a super-2 number, since 2×201001323304031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201001323303988 and 201001323304006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201001323304091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500661652015 + 100500661652016.

It is an arithmetic number, because the mean of its divisors is an integer number (100500661652016).

Almost surely, 2^{201001323304031} is an apocalyptic number.

201001323304031 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001323304031 is an equidigital number, since it uses as much as digits as its factorization.

201001323304031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 201001323304031 its reverse (130403323100102), we get a palindrome (331404646404133).

The spelling of 201001323304031 in words is "two hundred one trillion, one billion, three hundred twenty-three million, three hundred four thousand, thirty-one".