201230023322131 has 4 divisors (see below), whose sum is σ = 203986598984152. Its totient is φ = 198473447660112.

The previous prime is 201230023322063. The next prime is 201230023322143. The reversal of 201230023322131 is 131223320032102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201230023322131 - 2²¹ = 201230021224979 is a prime.

It is a super-2 number, since 2×201230023322131² (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 = 201230023322096 and 201230023322105.

It is not an unprimeable number, because it can be changed into a prime (201230023322831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378287830901 + ... + 1378287831046.

It is an arithmetic number, because the mean of its divisors is an integer number (50996649746038).

Almost surely, 2^{201230023322131} is an apocalyptic number.

201230023322131 is a deficient number, since it is larger than the sum of its proper divisors (2756575662021).

201230023322131 is an equidigital number, since it uses as much as digits as its factorization.

201230023322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756575662020.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 201230023322131 its reverse (131223320032102), we get a palindrome (332453343354233).

The spelling of 201230023322131 in words is "two hundred one trillion, two hundred thirty billion, twenty-three million, three hundred twenty-two thousand, one hundred thirty-one".