1304231100 has 72 divisors (see below), whose sum is σ = 3937664640. Its totient is φ = 332671680.

The previous prime is 1304231099. The next prime is 1304231113. The reversal of 1304231100 is 11324031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1304231100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87610 + ... + 101409.

Almost surely, 2^1304231100 is an apocalyptic number.

1304231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304231100 is an abundant number, since it is smaller than the sum of its proper divisors (2633433540).

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

1304231100 is a wasteful number, since it uses less digits than its factorization.

1304231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189059 (or 189052 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1304231100 is about 36114.1398900763. The cubic root of 1304231100 is about 1092.5756501471.

Adding to 1304231100 its reverse (11324031), we get a palindrome (1315555131).

The spelling of 1304231100 in words is "one billion, three hundred four million, two hundred thirty-one thousand, one hundred".