201431032424 has 8 divisors (see below), whose sum is σ = 377683185810. Its totient is φ = 100715516208.

The previous prime is 201431032393. The next prime is 201431032469. The reversal of 201431032424 is 424230134102.

201431032424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 201258109924 + 172922500 = 448618^2 + 13150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 201431032393 and 201431032402.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12589439519 + ... + 12589439534.

Almost surely, 2^201431032424 is an apocalyptic number.

It is an amenable number.

201431032424 is a deficient number, since it is larger than the sum of its proper divisors (176252153386).

201431032424 is a wasteful number, since it uses less digits than its factorization.

201431032424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25178879059 (or 25178879055 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 201431032424 its reverse (424230134102), we get a palindrome (625661166526).

The spelling of 201431032424 in words is "two hundred one billion, four hundred thirty-one million, thirty-two thousand, four hundred twenty-four".