311230321001 has 4 divisors (see below), whose sum is σ = 324762074112. Its totient is φ = 297698567892.

The previous prime is 311230320991. The next prime is 311230321021. The reversal of 311230321001 is 100123032113.

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 311230321001 - 2³⁸ = 36352414057 is a prime.

It is a super-3 number, since 3×311230321001³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311230321021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6765876521 + ... + 6765876566.

It is an arithmetic number, because the mean of its divisors is an integer number (81190518528).

Almost surely, 2^311230321001 is an apocalyptic number.

It is an amenable number.

311230321001 is a deficient number, since it is larger than the sum of its proper divisors (13531753111).

311230321001 is a wasteful number, since it uses less digits than its factorization.

311230321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13531753110.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 311230321001 its reverse (100123032113), we get a palindrome (411353353114).

The spelling of 311230321001 in words is "three hundred eleven billion, two hundred thirty million, three hundred twenty-one thousand, one".