1313128470 has 32 divisors (see below), whose sum is σ = 3159024480. Its totient is φ = 349332480.

The previous prime is 1313128451. The next prime is 1313128529. The reversal of 1313128470 is 748213131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39355 + ... + 64614.

It is an arithmetic number, because the mean of its divisors is an integer number (98719515).

Almost surely, 2^1313128470 is an apocalyptic number.

1313128470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313128470 is an abundant number, since it is smaller than the sum of its proper divisors (1845896010).

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

1313128470 is a wasteful number, since it uses less digits than its factorization.

1313128470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104400.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1313128470 is about 36237.1145374463. The cubic root of 1313128470 is about 1095.0545124130.

The spelling of 1313128470 in words is "one billion, three hundred thirteen million, one hundred twenty-eight thousand, four hundred seventy".