201001323312031 has 8 divisors (see below), whose sum is σ = 219743708730624. Its totient is φ = 182337194200920.

The previous prime is 201001323312029. The next prime is 201001323312043. The reversal of 201001323312031 is 130213323100102.

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

It is not a de Polignac number, because 201001323312031 - 2¹ = 201001323312029 is a prime.

It is a super-2 number, since 2×201001323312031² (a number of 29 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 = 201001323311993 and 201001323312011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201001323315031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19564071495 + ... + 19564081768.

It is an arithmetic number, because the mean of its divisors is an integer number (27467963591328).

Almost surely, 2^{201001323312031} is an apocalyptic number.

201001323312031 is a deficient number, since it is larger than the sum of its proper divisors (18742385418593).

201001323312031 is a wasteful number, since it uses less digits than its factorization.

201001323312031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39128153741.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 201001323312031 its reverse (130213323100102), we get a palindrome (331214646412133).

The spelling of 201001323312031 in words is "two hundred one trillion, one billion, three hundred twenty-three million, three hundred twelve thousand, thirty-one".