201000031323 has 64 divisors (see below), whose sum is σ = 356590832640. Its totient is φ = 97727150592.

The previous prime is 201000031291. The next prime is 201000031333. The reversal of 201000031323 is 323130000102.

It is not a de Polignac number, because 201000031323 - 2⁵ = 201000031291 is a prime.

It is a super-2 number, since 2×201000031323² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201000031333) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 331740 + ... + 715577.

It is an arithmetic number, because the mean of its divisors is an integer number (5571731760).

Almost surely, 2^201000031323 is an apocalyptic number.

201000031323 is a deficient number, since it is larger than the sum of its proper divisors (155590801317).

201000031323 is a wasteful number, since it uses less digits than its factorization.

201000031323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047396.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 201000031323 its reverse (323130000102), we get a palindrome (524130031425).

The spelling of 201000031323 in words is "two hundred one billion, thirty-one thousand, three hundred twenty-three".