201203322131 has 4 divisors (see below), whose sum is σ = 229946653872. Its totient is φ = 172459990392.

The previous prime is 201203322119. The next prime is 201203322143. The reversal of 201203322131 is 131223302102.

201203322131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131223302102 = 2 ⋅65611651051.

It is an interprime number because it is at equal distance from previous prime (201203322119) and next prime (201203322143).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201203322131 is a prime.

It is a super-2 number, since 2×201203322131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201203322181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14371665860 + ... + 14371665873.

It is an arithmetic number, because the mean of its divisors is an integer number (57486663468).

Almost surely, 2^201203322131 is an apocalyptic number.

201203322131 is a deficient number, since it is larger than the sum of its proper divisors (28743331741).

201203322131 is an equidigital number, since it uses as much as digits as its factorization.

201203322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28743331740.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 201203322131 its reverse (131223302102), we get a palindrome (332426624233).

The spelling of 201203322131 in words is "two hundred one billion, two hundred three million, three hundred twenty-two thousand, one hundred thirty-one".