201101432311 has 4 divisors (see below), whose sum is σ = 216570773272. Its totient is φ = 185632091352.

The previous prime is 201101432299. The next prime is 201101432359. The reversal of 201101432311 is 113234101102.

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 201101432311 - 2¹³ = 201101424119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101432011) 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, 7734670461 + ... + 7734670486.

It is an arithmetic number, because the mean of its divisors is an integer number (54142693318).

Almost surely, 2^201101432311 is an apocalyptic number.

201101432311 is a deficient number, since it is larger than the sum of its proper divisors (15469340961).

201101432311 is a wasteful number, since it uses less digits than its factorization.

201101432311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15469340960.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 201101432311 its reverse (113234101102), we get a palindrome (314335533413).

The spelling of 201101432311 in words is "two hundred one billion, one hundred one million, four hundred thirty-two thousand, three hundred eleven".