201034122431 has 4 divisors (see below), whose sum is σ = 201058319664. Its totient is φ = 201009925200.

The previous prime is 201034122427. The next prime is 201034122481. The reversal of 201034122431 is 134221430102.

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 201034122431 - 2² = 201034122427 is a prime.

It is a super-2 number, since 2×201034122431² (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 = 201034122397 and 201034122406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201034122481) 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, 12086150 + ... + 12102771.

It is an arithmetic number, because the mean of its divisors is an integer number (50264579916).

Almost surely, 2^201034122431 is an apocalyptic number.

201034122431 is a deficient number, since it is larger than the sum of its proper divisors (24197233).

201034122431 is an equidigital number, since it uses as much as digits as its factorization.

201034122431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24197232.

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

Adding to 201034122431 its reverse (134221430102), we get a palindrome (335255552533).

The spelling of 201034122431 in words is "two hundred one billion, thirty-four million, one hundred twenty-two thousand, four hundred thirty-one".