31300300001 has 2 divisors, whose sum is σ = 31300300002. Its totient is φ = 31300300000.

The previous prime is 31300299997. The next prime is 31300300013. The reversal of 31300300001 is 10000300313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29275210000 + 2025090001 = 171100^2 + 45001^2 .

It is an emirp because it is prime and its reverse (10000300313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31300300001 - 2² = 31300299997 is a prime.

It is not a weakly prime, because it can be changed into another prime (31300300051) 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 as a sum of consecutive naturals, namely, 15650150000 + 15650150001.

It is an arithmetic number, because the mean of its divisors is an integer number (15650150001).

Almost surely, 2^31300300001 is an apocalyptic number.

It is an amenable number.

31300300001 is a deficient number, since it is larger than the sum of its proper divisors (1).

31300300001 is an equidigital number, since it uses as much as digits as its factorization.

31300300001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 11.

Adding to 31300300001 its reverse (10000300313), we get a palindrome (41300600314).

The spelling of 31300300001 in words is "thirty-one billion, three hundred million, three hundred thousand, one".