311200130101021 has 8 divisors (see below), whose sum is σ = 355658474234624. Its totient is φ = 266742081640080.

The previous prime is 311200130101009. The next prime is 311200130101039. The reversal of 311200130101021 is 120101031002113.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311200130101021 - 2²⁵ = 311200096546589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311200130100986 and 311200130101004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311200130102021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71658165 + ... + 75876826.

It is an arithmetic number, because the mean of its divisors is an integer number (44457309279328).

Almost surely, 2^{311200130101021} is an apocalyptic number.

It is an amenable number.

311200130101021 is a deficient number, since it is larger than the sum of its proper divisors (44458344133603).

311200130101021 is a wasteful number, since it uses less digits than its factorization.

311200130101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147836331.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 311200130101021 its reverse (120101031002113), we get a palindrome (431301161103134).

The spelling of 311200130101021 in words is "three hundred eleven trillion, two hundred billion, one hundred thirty million, one hundred one thousand, twenty-one".