1311112232 has 8 divisors (see below), whose sum is σ = 2458335450. Its totient is φ = 655556112.

The previous prime is 1311112211. The next prime is 1311112259. The reversal of 1311112232 is 2322111131.

1311112232 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in only one way, i.e., 1059762916 + 251349316 = 32554^2 + 15854^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1311112232.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81944507 + ... + 81944522.

Almost surely, 2^1311112232 is an apocalyptic number.

It is an amenable number.

1311112232 is a deficient number, since it is larger than the sum of its proper divisors (1147223218).

1311112232 is a wasteful number, since it uses less digits than its factorization.

1311112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163889035 (or 163889031 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 1311112232 is about 36209.2837819253. The cubic root of 1311112232 is about 1094.4937595830.

Adding to 1311112232 its reverse (2322111131), we get a palindrome (3633223363).

The spelling of 1311112232 in words is "one billion, three hundred eleven million, one hundred twelve thousand, two hundred thirty-two".