1304131230 has 48 divisors (see below), whose sum is σ = 3482391744. Its totient is φ = 338368320.

The previous prime is 1304131229. The next prime is 1304131237. The reversal of 1304131230 is 321314031.

1304131230 is a `hidden beast` number, since 1 + 304 + 131 + 230 = 666.

It is a super-2 number, since 2×1304131230² = 3401516530122625800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304131237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192486 + ... + 199145.

It is an arithmetic number, because the mean of its divisors is an integer number (72549828).

Almost surely, 2^1304131230 is an apocalyptic number.

1304131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1304131230 is an abundant number, since it is smaller than the sum of its proper divisors (2178260514).

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

1304131230 is a wasteful number, since it uses less digits than its factorization.

1304131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391681 (or 391678 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1304131230 is about 36112.7571641934. The cubic root of 1304131230 is about 1092.5477618596.

Adding to 1304131230 its reverse (321314031), we get a palindrome (1625445261).

The spelling of 1304131230 in words is "one billion, three hundred four million, one hundred thirty-one thousand, two hundred thirty".