201201223431 has 8 divisors (see below), whose sum is σ = 288904320880. Its totient is φ = 123816137472.

The previous prime is 201201223429. The next prime is 201201223471. The reversal of 201201223431 is 134322102102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201201223431 - 2¹ = 201201223429 is a prime.

It is a super-2 number, since 2×201201223431² (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 = 201201223398 and 201201223407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201223471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2579502826 + ... + 2579502903.

It is an arithmetic number, because the mean of its divisors is an integer number (36113040110).

Almost surely, 2^201201223431 is an apocalyptic number.

201201223431 is a deficient number, since it is larger than the sum of its proper divisors (87703097449).

201201223431 is a wasteful number, since it uses less digits than its factorization.

201201223431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5159005745.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201201223431 its reverse (134322102102), we get a palindrome (335523325533).

The spelling of 201201223431 in words is "two hundred one billion, two hundred one million, two hundred twenty-three thousand, four hundred thirty-one".