1101131312 has 20 divisors (see below), whose sum is σ = 2148794760. Its totient is φ = 546603648.

The previous prime is 1101131281. The next prime is 1101131323. The reversal of 1101131312 is 2131311011.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245333 + ... + 249780.

It is an arithmetic number, because the mean of its divisors is an integer number (107439738).

Almost surely, 2^1101131312 is an apocalyptic number.

It is an amenable number.

1101131312 is a deficient number, since it is larger than the sum of its proper divisors (1047663448).

1101131312 is a wasteful number, since it uses less digits than its factorization.

1101131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495260 (or 495254 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1101131312 is about 33183.2986907571. The cubic root of 1101131312 is about 1032.6338823511.

Adding to 1101131312 its reverse (2131311011), we get a palindrome (3232442323).

The spelling of 1101131312 in words is "one billion, one hundred one million, one hundred thirty-one thousand, three hundred twelve".