201420032311 has 4 divisors (see below), whose sum is σ = 201421250824. Its totient is φ = 201418813800.

The previous prime is 201420032299. The next prime is 201420032339. The reversal of 201420032311 is 113230024102.

It is a happy number.

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 201420032311 - 2²³ = 201411643703 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 (201420032381) 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, 313425 + ... + 707866.

It is an arithmetic number, because the mean of its divisors is an integer number (50355312706).

Almost surely, 2^201420032311 is an apocalyptic number.

201420032311 is a deficient number, since it is larger than the sum of its proper divisors (1218513).

201420032311 is a wasteful number, since it uses less digits than its factorization.

201420032311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218512.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201420032311 its reverse (113230024102), we get a palindrome (314650056413).

The spelling of 201420032311 in words is "two hundred one billion, four hundred twenty million, thirty-two thousand, three hundred eleven".