1310231104 has 112 divisors (see below), whose sum is σ = 3213941248. Its totient is φ = 516077568.

The previous prime is 1310231099. The next prime is 1310231141. The reversal of 1310231104 is 4011320131.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2137102 + ... + 2137714.

It is an arithmetic number, because the mean of its divisors is an integer number (28695904).

Almost surely, 2^1310231104 is an apocalyptic number.

1310231104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310231104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1606970624).

1310231104 is an abundant number, since it is smaller than the sum of its proper divisors (1903710144).

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

1310231104 is a wasteful number, since it uses less digits than its factorization.

1310231104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1310231104 is about 36197.1145811375. The cubic root of 1310231104 is about 1094.2485211784.

Adding to 1310231104 its reverse (4011320131), we get a palindrome (5321551235).

The spelling of 1310231104 in words is "one billion, three hundred ten million, two hundred thirty-one thousand, one hundred four".