313203220001 has 24 divisors (see below), whose sum is σ = 373359023784. Its totient is φ = 261871733760.

The previous prime is 313203219977. The next prime is 313203220003. The reversal of 313203220001 is 100022302313.

It can be written as a sum of positive squares in 4 ways, for example, as 176635278400 + 136567941601 = 420280^2 + 369551^2 .

It is not a de Polignac number, because 313203220001 - 2⁶ = 313203219937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313203220003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100721 + ... + 797841.

It is an arithmetic number, because the mean of its divisors is an integer number (15556625991).

Almost surely, 2^313203220001 is an apocalyptic number.

It is an amenable number.

313203220001 is a deficient number, since it is larger than the sum of its proper divisors (60155803783).

313203220001 is a wasteful number, since it uses less digits than its factorization.

313203220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697361 (or 697354 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 313203220001 its reverse (100022302313), we get a palindrome (413225522314).

The spelling of 313203220001 in words is "three hundred thirteen billion, two hundred three million, two hundred twenty thousand, one".