201402224431 has 4 divisors (see below), whose sum is σ = 206845527832. Its totient is φ = 195958921032.

The previous prime is 201402224393. The next prime is 201402224459. The reversal of 201402224431 is 134422204102.

201402224431 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.

It is a cyclic number.

It is not a de Polignac number, because 201402224431 - 2²⁷ = 201268006703 is a prime.

It is a super-2 number, since 2×201402224431² (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 = 201402224396 and 201402224405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201402224131) 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, 2721651645 + ... + 2721651718.

It is an arithmetic number, because the mean of its divisors is an integer number (51711381958).

Almost surely, 2^201402224431 is an apocalyptic number.

201402224431 is a deficient number, since it is larger than the sum of its proper divisors (5443303401).

201402224431 is an equidigital number, since it uses as much as digits as its factorization.

201402224431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443303400.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 201402224431 its reverse (134422204102), we get a palindrome (335824428533).

The spelling of 201402224431 in words is "two hundred one billion, four hundred two million, two hundred twenty-four thousand, four hundred thirty-one".