311200132133 has 4 divisors (see below), whose sum is σ = 339491053248. Its totient is φ = 282909211020.

The previous prime is 311200132123. The next prime is 311200132147. The reversal of 311200132133 is 331231002113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 311200132133 - 2⁸ = 311200131877 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 (311200132123) 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, 14145460541 + ... + 14145460562.

It is an arithmetic number, because the mean of its divisors is an integer number (84872763312).

Almost surely, 2^311200132133 is an apocalyptic number.

It is an amenable number.

311200132133 is a deficient number, since it is larger than the sum of its proper divisors (28290921115).

311200132133 is a wasteful number, since it uses less digits than its factorization.

311200132133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28290921114.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 311200132133 its reverse (331231002113), we get a palindrome (642431134246).

The spelling of 311200132133 in words is "three hundred eleven billion, two hundred million, one hundred thirty-two thousand, one hundred thirty-three".