31300320001 has 4 divisors (see below), whose sum is σ = 31300750404. Its totient is φ = 31299889600.

The previous prime is 31300319977. The next prime is 31300320013. The reversal of 31300320001 is 10002300313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15518930625 + 15781389376 = 124575^2 + 125624^2 .

It is a cyclic number.

It is not a de Polignac number, because 31300320001 - 2⁷ = 31300319873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31300320091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76180 + ... + 261541.

It is an arithmetic number, because the mean of its divisors is an integer number (7825187601).

Almost surely, 2^31300320001 is an apocalyptic number.

It is an amenable number.

31300320001 is a deficient number, since it is larger than the sum of its proper divisors (430403).

31300320001 is an equidigital number, since it uses as much as digits as its factorization.

31300320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430402.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 31300320001 its reverse (10002300313), we get a palindrome (41302620314).

The spelling of 31300320001 in words is "thirty-one billion, three hundred million, three hundred twenty thousand, one".