101561610343 has 2 divisors, whose sum is σ = 101561610344. Its totient is φ = 101561610342.

The previous prime is 101561610331. The next prime is 101561610373. The reversal of 101561610343 is 343016165101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101561610343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101561610373) 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, 50780805171 + 50780805172.

It is an arithmetic number, because the mean of its divisors is an integer number (50780805172).

Almost surely, 2^101561610343 is an apocalyptic number.

101561610343 is a deficient number, since it is larger than the sum of its proper divisors (1).

101561610343 is an equidigital number, since it uses as much as digits as its factorization.

101561610343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 101561610343 its reverse (343016165101), we get a palindrome (444577775444).

The spelling of 101561610343 in words is "one hundred one billion, five hundred sixty-one million, six hundred ten thousand, three hundred forty-three".