1311112330 has 32 divisors (see below), whose sum is σ = 2663331840. Its totient is φ = 460326720.

The previous prime is 1311112303. The next prime is 1311112333. The reversal of 1311112330 is 332111131.

It is not an unprimeable number, because it can be changed into a prime (1311112333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202314 + ... + 208693.

It is an arithmetic number, because the mean of its divisors is an integer number (83229120).

Almost surely, 2^1311112330 is an apocalyptic number.

1311112330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311112330 is an abundant number, since it is smaller than the sum of its proper divisors (1352219510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311112330 is a wasteful number, since it uses less digits than its factorization.

1311112330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411054.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1311112330 is about 36209.2851351694. The cubic root of 1311112330 is about 1094.4937868526.

Adding to 1311112330 its reverse (332111131), we get a palindrome (1643223461).

The spelling of 1311112330 in words is "one billion, three hundred eleven million, one hundred twelve thousand, three hundred thirty".