101240040340342 has 16 divisors (see below), whose sum is σ = 154783377099792. Its totient is φ = 49654817694720.

The previous prime is 101240040340273. The next prime is 101240040340367. The reversal of 101240040340342 is 243043040042101.

It is a super-2 number, since 2×101240040340342² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101240040340342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2309074884 + ... + 2309118727.

It is an arithmetic number, because the mean of its divisors is an integer number (9673961068737).

Almost surely, 2^{101240040340342} is an apocalyptic number.

101240040340342 is a deficient number, since it is larger than the sum of its proper divisors (53543336759450).

101240040340342 is a wasteful number, since it uses less digits than its factorization.

101240040340342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4618193823.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 101240040340342 its reverse (243043040042101), we get a palindrome (344283080382443).

The spelling of 101240040340342 in words is "one hundred one trillion, two hundred forty billion, forty million, three hundred forty thousand, three hundred forty-two".