3113111644 has 6 divisors (see below), whose sum is σ = 5447945384. Its totient is φ = 1556555820.

The previous prime is 3113111597. The next prime is 3113111647. The reversal of 3113111644 is 4461113113.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113111647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389138952 + ... + 389138959.

Almost surely, 2^3113111644 is an apocalyptic number.

It is an amenable number.

3113111644 is a deficient number, since it is larger than the sum of its proper divisors (2334833740).

3113111644 is a wasteful number, since it uses less digits than its factorization.

3113111644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778277915 (or 778277913 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 3113111644 is about 55795.2654263782. The cubic root of 3113111644 is about 1460.1525523963.

Adding to 3113111644 its reverse (4461113113), we get a palindrome (7574224757).

The spelling of 3113111644 in words is "three billion, one hundred thirteen million, one hundred eleven thousand, six hundred forty-four".