201013022220431 has 4 divisors (see below), whose sum is σ = 202547472771864. Its totient is φ = 199478571669000.

The previous prime is 201013022220419. The next prime is 201013022220467. The reversal of 201013022220431 is 134022220310102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201013022220431 is a prime.

It is a super-2 number, since 2×201013022220431² (a number of 29 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 = 201013022220397 and 201013022220406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201013022220481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767225275520 + ... + 767225275781.

It is an arithmetic number, because the mean of its divisors is an integer number (50636868192966).

Almost surely, 2^{201013022220431} is an apocalyptic number.

201013022220431 is a deficient number, since it is larger than the sum of its proper divisors (1534450551433).

201013022220431 is a wasteful number, since it uses less digits than its factorization.

201013022220431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534450551432.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 201013022220431 its reverse (134022220310102), we get a palindrome (335035242530533).

The spelling of 201013022220431 in words is "two hundred one trillion, thirteen billion, twenty-two million, two hundred twenty thousand, four hundred thirty-one".