1300345320 has 64 divisors (see below), whose sum is σ = 3937533120. Its totient is φ = 343514624.

The previous prime is 1300345271. The next prime is 1300345337. The reversal of 1300345320 is 235430031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37797 + ... + 63476.

It is an arithmetic number, because the mean of its divisors is an integer number (61523955).

Almost surely, 2^1300345320 is an apocalyptic number.

1300345320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300345320 is an abundant number, since it is smaller than the sum of its proper divisors (2637187800).

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

1300345320 is a wasteful number, since it uses less digits than its factorization.

1300345320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101394 (or 101390 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 1300345320 is about 36060.3011634678. The cubic root of 1300345320 is about 1091.4895103496.

Adding to 1300345320 its reverse (235430031), we get a palindrome (1535775351).

The spelling of 1300345320 in words is "one billion, three hundred million, three hundred forty-five thousand, three hundred twenty".