1312333113 has 16 divisors (see below), whose sum is σ = 2153572736. Its totient is φ = 692219520.

The previous prime is 1312333111. The next prime is 1312333117. The reversal of 1312333113 is 3113332131.

1312333113 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1312333113 - 2¹ = 1312333111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1312333113.

It is not an unprimeable number, because it can be changed into a prime (1312333111) 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, 2403268 + ... + 2403813.

It is an arithmetic number, because the mean of its divisors is an integer number (134598296).

Almost surely, 2^1312333113 is an apocalyptic number.

1312333113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1312333113 is a deficient number, since it is larger than the sum of its proper divisors (841239623).

1312333113 is a wasteful number, since it uses less digits than its factorization.

1312333113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4807104.

The product of its digits is 486, while the sum is 21.

The square root of 1312333113 is about 36226.1385328329. The cubic root of 1312333113 is about 1094.8333776202.

Adding to 1312333113 its reverse (3113332131), we get a palindrome (4425665244).

The spelling of 1312333113 in words is "one billion, three hundred twelve million, three hundred thirty-three thousand, one hundred thirteen".