201433424131 has 2 divisors, whose sum is σ = 201433424132. Its totient is φ = 201433424130.

The previous prime is 201433424081. The next prime is 201433424197. The reversal of 201433424131 is 131424334102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201433424131 is a prime.

It is a super-2 number, since 2×201433424131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201433424131.

It is not a weakly prime, because it can be changed into another prime (201433425131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100716712065 + 100716712066.

It is an arithmetic number, because the mean of its divisors is an integer number (100716712066).

Almost surely, 2^201433424131 is an apocalyptic number.

201433424131 is a deficient number, since it is larger than the sum of its proper divisors (1).

201433424131 is an equidigital number, since it uses as much as digits as its factorization.

201433424131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 201433424131 its reverse (131424334102), we get a palindrome (332857758233).

The spelling of 201433424131 in words is "two hundred one billion, four hundred thirty-three million, four hundred twenty-four thousand, one hundred thirty-one".