101240040340343 has 4 divisors (see below), whose sum is σ = 101241144070248. Its totient is φ = 101238936610440.

The previous prime is 101240040340273. The next prime is 101240040340367. The reversal of 101240040340343 is 343043040042101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101240040340343 - 2²⁴ = 101240023563127 is a prime.

It is a super-2 number, since 2×101240040340343² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101240040390343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551727353 + ... + 551910818.

It is an arithmetic number, because the mean of its divisors is an integer number (25310286017562).

Almost surely, 2^{101240040340343} is an apocalyptic number.

101240040340343 is a deficient number, since it is larger than the sum of its proper divisors (1103729905).

101240040340343 is an equidigital number, since it uses as much as digits as its factorization.

101240040340343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103729904.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 101240040340343 its reverse (343043040042101), we get a palindrome (444283080382444).

The spelling of 101240040340343 in words is "one hundred one trillion, two hundred forty billion, forty million, three hundred forty thousand, three hundred forty-three".