3111838634 has 4 divisors (see below), whose sum is σ = 4667757954. Its totient is φ = 1555919316.

The previous prime is 3111838619. The next prime is 3111838637. The reversal of 3111838634 is 4368381113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4368381113 = 47 ⋅92944279.

It can be written as a sum of positive squares in only one way, i.e., 2959686409 + 152152225 = 54403^2 + 12335^2 .

It is not an unprimeable number, because it can be changed into a prime (3111838637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777959657 + ... + 777959660.

Almost surely, 2^3111838634 is an apocalyptic number.

3111838634 is a deficient number, since it is larger than the sum of its proper divisors (1555919320).

3111838634 is a wasteful number, since it uses less digits than its factorization.

3111838634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555919319.

The product of its digits is 41472, while the sum is 38.

The square root of 3111838634 is about 55783.8563923291. The cubic root of 3111838634 is about 1459.9534972991.

The spelling of 3111838634 in words is "three billion, one hundred eleven million, eight hundred thirty-eight thousand, six hundred thirty-four".