201031122130023 has 32 divisors (see below), whose sum is σ = 269766459648000. Its totient is φ = 133160710006656.

The previous prime is 201031122130009. The next prime is 201031122130039. The reversal of 201031122130023 is 320031221130102.

It is not a de Polignac number, because 201031122130023 - 2⁵ = 201031122129991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201031122130523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1707806493 + ... + 1707924201.

It is an arithmetic number, because the mean of its divisors is an integer number (8430201864000).

Almost surely, 2^{201031122130023} is an apocalyptic number.

201031122130023 is a deficient number, since it is larger than the sum of its proper divisors (68735337517977).

201031122130023 is a wasteful number, since it uses less digits than its factorization.

201031122130023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122871.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 201031122130023 its reverse (320031221130102), we get a palindrome (521062343260125).

The spelling of 201031122130023 in words is "two hundred one trillion, thirty-one billion, one hundred twenty-two million, one hundred thirty thousand, twenty-three".