34312279 has 4 divisors (see below), whose sum is σ = 34459776. Its totient is φ = 34164784.

The previous prime is 34312277. The next prime is 34312349. The reversal of 34312279 is 97221343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97221343 = 3617 ⋅26879.

It is a cyclic number.

It is not a de Polignac number, because 34312279 - 2¹ = 34312277 is a prime.

It is a super-4 number, since 4×34312279⁴ (a number of 31 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34312279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34312277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73399 + ... + 73864.

It is an arithmetic number, because the mean of its divisors is an integer number (8614944).

Almost surely, 2^34312279 is an apocalyptic number.

34312279 is a deficient number, since it is larger than the sum of its proper divisors (147497).

34312279 is a wasteful number, since it uses less digits than its factorization.

34312279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147496.

The product of its digits is 9072, while the sum is 31.

The square root of 34312279 is about 5857.6683927993. The cubic root of 34312279 is about 324.9499852029.

The spelling of 34312279 in words is "thirty-four million, three hundred twelve thousand, two hundred seventy-nine".