1300131432 has 64 divisors (see below), whose sum is σ = 3624408000. Its totient is φ = 431825472.

The previous prime is 1300131421. The next prime is 1300131433. The reversal of 1300131432 is 2341310031.

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

It is not an unprimeable number, because it can be changed into a prime (1300131433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50494 + ... + 71762.

It is an arithmetic number, because the mean of its divisors is an integer number (56631375).

Almost surely, 2^1300131432 is an apocalyptic number.

1300131432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1300131432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1812204000).

1300131432 is an abundant number, since it is smaller than the sum of its proper divisors (2324276568).

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

1300131432 is a wasteful number, since it uses less digits than its factorization.

1300131432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21567 (or 21557 counting only the distinct ones).

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

The square root of 1300131432 is about 36057.3353424792. The cubic root of 1300131432 is about 1091.4296623215.

Adding to 1300131432 its reverse (2341310031), we get a palindrome (3641441463).

The spelling of 1300131432 in words is "one billion, three hundred million, one hundred thirty-one thousand, four hundred thirty-two".