1301443830 has 96 divisors (see below), whose sum is σ = 3468160800. Its totient is φ = 338489856.

The previous prime is 1301443811. The next prime is 1301443837. The reversal of 1301443830 is 383441031.

It is a junction number, because it is equal to n+sod(n) for n = 1301443794 and 1301443803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301443837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 726576 + ... + 728364.

It is an arithmetic number, because the mean of its divisors is an integer number (36126675).

Almost surely, 2^1301443830 is an apocalyptic number.

1301443830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1301443830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1734080400).

1301443830 is an abundant number, since it is smaller than the sum of its proper divisors (2166716970).

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

1301443830 is a wasteful number, since it uses less digits than its factorization.

1301443830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998 (or 1995 counting only the distinct ones).

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

The square root of 1301443830 is about 36075.5295179433. The cubic root of 1301443830 is about 1091.7967812072.

Adding to 1301443830 its reverse (383441031), we get a palindrome (1684884861).

The spelling of 1301443830 in words is "one billion, three hundred one million, four hundred forty-three thousand, eight hundred thirty".