201330432131 has 4 divisors (see below), whose sum is σ = 203756100072. Its totient is φ = 198904764192.

The previous prime is 201330432031. The next prime is 201330432167. The reversal of 201330432131 is 131234033102.

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 201330432131 - 2¹⁴ = 201330415747 is a prime.

It is a super-2 number, since 2×201330432131² (a number of 23 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 = 201330432097 and 201330432106.

It is not an unprimeable number, because it can be changed into a prime (201330432181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212833846 + ... + 1212834011.

It is an arithmetic number, because the mean of its divisors is an integer number (50939025018).

Almost surely, 2^201330432131 is an apocalyptic number.

201330432131 is a deficient number, since it is larger than the sum of its proper divisors (2425667941).

201330432131 is an equidigital number, since it uses as much as digits as its factorization.

201330432131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425667940.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 201330432131 its reverse (131234033102), we get a palindrome (332564465233).

The spelling of 201330432131 in words is "two hundred one billion, three hundred thirty million, four hundred thirty-two thousand, one hundred thirty-one".