1331430804 has 96 divisors (see below), whose sum is σ = 3785443200. Its totient is φ = 401345280.

The previous prime is 1331430799. The next prime is 1331430869. The reversal of 1331430804 is 4080341331.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231192 + ... + 236880.

It is an arithmetic number, because the mean of its divisors is an integer number (39431700).

Almost surely, 2^1331430804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331430804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1892721600).

1331430804 is an abundant number, since it is smaller than the sum of its proper divisors (2454012396).

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

1331430804 is a wasteful number, since it uses less digits than its factorization.

1331430804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5910 (or 5902 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1331430804 is about 36488.7764113844. The cubic root of 1331430804 is about 1100.1186659859.

The spelling of 1331430804 in words is "one billion, three hundred thirty-one million, four hundred thirty thousand, eight hundred four".