313100030002021 has 32 divisors (see below), whose sum is σ = 321706796774400. Its totient is φ = 304645184815104.

The previous prime is 313100030001973. The next prime is 313100030002099. The reversal of 313100030002021 is 120200030001313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313100030002021 is a prime.

It is a super-3 number, since 3×313100030002021³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313100030001986 and 313100030002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313100030002321) 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 31 ways as a sum of consecutive naturals, for example, 1030979820 + ... + 1031283466.

It is an arithmetic number, because the mean of its divisors is an integer number (10053337399200).

Almost surely, 2^{313100030002021} is an apocalyptic number.

It is an amenable number.

313100030002021 is a deficient number, since it is larger than the sum of its proper divisors (8606766772379).

313100030002021 is a wasteful number, since it uses less digits than its factorization.

313100030002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304525.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 313100030002021 its reverse (120200030001313), we get a palindrome (433300060003334).

The spelling of 313100030002021 in words is "three hundred thirteen trillion, one hundred billion, thirty million, two thousand, twenty-one".