310020312009973 has 2 divisors, whose sum is σ = 310020312009974. Its totient is φ = 310020312009972.

The previous prime is 310020312009917. The next prime is 310020312010007. The reversal of 310020312009973 is 379900213020013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261622925756644 + 48397386253329 = 16174762^2 + 6956823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-310020312009973 is a prime.

It is a super-2 number, since 2×310020312009973² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (310020312039973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155010156004986 + 155010156004987.

It is an arithmetic number, because the mean of its divisors is an integer number (155010156004987).

Almost surely, 2^{310020312009973} is an apocalyptic number.

It is an amenable number.

310020312009973 is a deficient number, since it is larger than the sum of its proper divisors (1).

310020312009973 is an equidigital number, since it uses as much as digits as its factorization.

310020312009973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 40.

Adding to 310020312009973 its reverse (379900213020013), we get a palindrome (689920525029986).

The spelling of 310020312009973 in words is "three hundred ten trillion, twenty billion, three hundred twelve million, nine thousand, nine hundred seventy-three".