20031312107 has 2 divisors, whose sum is σ = 20031312108. Its totient is φ = 20031312106.

The previous prime is 20031312089. The next prime is 20031312121. The reversal of 20031312107 is 70121313002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20031312107 - 2¹⁸ = 20031049963 is a prime.

It is not a weakly prime, because it can be changed into another prime (20031311107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015656053 + 10015656054.

It is an arithmetic number, because the mean of its divisors is an integer number (10015656054).

Almost surely, 2^20031312107 is an apocalyptic number.

20031312107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20031312107 is an equidigital number, since it uses as much as digits as its factorization.

20031312107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 20031312107 its reverse (70121313002), we get a palindrome (90152625109).

The spelling of 20031312107 in words is "twenty billion, thirty-one million, three hundred twelve thousand, one hundred seven".