1308111916 has 12 divisors (see below), whose sum is σ = 2290118040. Its totient is φ = 653792480.

The previous prime is 1308111907. The next prime is 1308111923. The reversal of 1308111916 is 6191118031.

It is a super-2 number, since 2×1308111916² = 3422313569562382112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54481 + ... + 74728.

It is an arithmetic number, because the mean of its divisors is an integer number (190843170).

Almost surely, 2^1308111916 is an apocalyptic number.

It is an amenable number.

1308111916 is a deficient number, since it is larger than the sum of its proper divisors (982006124).

1308111916 is a wasteful number, since it uses less digits than its factorization.

1308111916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131744 (or 131742 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 1308111916 is about 36167.8298491906. The cubic root of 1308111916 is about 1093.6582513472.

Adding to 1308111916 its reverse (6191118031), we get a palindrome (7499229947).

The spelling of 1308111916 in words is "one billion, three hundred eight million, one hundred eleven thousand, nine hundred sixteen".