20070316631 has 2 divisors, whose sum is σ = 20070316632. Its totient is φ = 20070316630.

The previous prime is 20070316619. The next prime is 20070316661. The reversal of 20070316631 is 13661307002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20070316631 - 2¹⁰ = 20070315607 is a prime.

It is a super-2 number, since 2×20070316631² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 20070316594 and 20070316603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20070316661) 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, 10035158315 + 10035158316.

It is an arithmetic number, because the mean of its divisors is an integer number (10035158316).

Almost surely, 2^20070316631 is an apocalyptic number.

20070316631 is a deficient number, since it is larger than the sum of its proper divisors (1).

20070316631 is an equidigital number, since it uses as much as digits as its factorization.

20070316631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 20070316631 in words is "twenty billion, seventy million, three hundred sixteen thousand, six hundred thirty-one".