42155100343 has 2 divisors, whose sum is σ = 42155100344. Its totient is φ = 42155100342.

The previous prime is 42155100301. The next prime is 42155100371. The reversal of 42155100343 is 34300155124.

42155100343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (42155100371) can be obtained adding 42155100343 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42155100343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42155130343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21077550171 + 21077550172.

It is an arithmetic number, because the mean of its divisors is an integer number (21077550172).

Almost surely, 2^42155100343 is an apocalyptic number.

42155100343 is a deficient number, since it is larger than the sum of its proper divisors (1).

42155100343 is an equidigital number, since it uses as much as digits as its factorization.

42155100343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 42155100343 its reverse (34300155124), we get a palindrome (76455255467).

The spelling of 42155100343 in words is "forty-two billion, one hundred fifty-five million, one hundred thousand, three hundred forty-three".