20334140115631 has 2 divisors, whose sum is σ = 20334140115632. Its totient is φ = 20334140115630.

The previous prime is 20334140115589. The next prime is 20334140115739. The reversal of 20334140115631 is 13651104143302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20334140115631 is a prime.

It is a super-2 number, since 2×20334140115631² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20334140115031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167070057815 + 10167070057816.

It is an arithmetic number, because the mean of its divisors is an integer number (10167070057816).

Almost surely, 2^{20334140115631} is an apocalyptic number.

20334140115631 is a deficient number, since it is larger than the sum of its proper divisors (1).

20334140115631 is an equidigital number, since it uses as much as digits as its factorization.

20334140115631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 20334140115631 its reverse (13651104143302), we get a palindrome (33985244258933).

The spelling of 20334140115631 in words is "twenty trillion, three hundred thirty-four billion, one hundred forty million, one hundred fifteen thousand, six hundred thirty-one".