201031303132123 has 8 divisors (see below), whose sum is σ = 202490791059200. Its totient is φ = 199572004056168.

The previous prime is 201031303132111. The next prime is 201031303132151. The reversal of 201031303132123 is 321231303130102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201031303132123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201031603132123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45075711 + ... + 49334392.

It is an arithmetic number, because the mean of its divisors is an integer number (25311348882400).

Almost surely, 2^{201031303132123} is an apocalyptic number.

201031303132123 is a deficient number, since it is larger than the sum of its proper divisors (1459487927077).

201031303132123 is a wasteful number, since it uses less digits than its factorization.

201031303132123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94425561.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 201031303132123 its reverse (321231303130102), we get a palindrome (522262606262225).

The spelling of 201031303132123 in words is "two hundred one trillion, thirty-one billion, three hundred three million, one hundred thirty-two thousand, one hundred twenty-three".