34110991 has 2 divisors, whose sum is σ = 34110992. Its totient is φ = 34110990.

The previous prime is 34110983. The next prime is 34111031. The reversal of 34110991 is 19901143.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (19901143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34110991 - 2³ = 34110983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34110961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17055495 + 17055496.

It is an arithmetic number, because the mean of its divisors is an integer number (17055496).

Almost surely, 2^34110991 is an apocalyptic number.

34110991 is a deficient number, since it is larger than the sum of its proper divisors (1).

34110991 is an equidigital number, since it uses as much as digits as its factorization.

34110991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 34110991 is about 5840.4615399812. The cubic root of 34110991 is about 324.3133146365.

The spelling of 34110991 in words is "thirty-four million, one hundred ten thousand, nine hundred ninety-one".