1300031120 has 40 divisors (see below), whose sum is σ = 3035159160. Its totient is φ = 517847040.

The previous prime is 1300031107. The next prime is 1300031137. The reversal of 1300031120 is 211300031.

It can be written as a sum of positive squares in 4 ways, for example, as 12082576 + 1287948544 = 3476^2 + 35888^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14435 + ... + 52994.

It is an arithmetic number, because the mean of its divisors is an integer number (75878979).

Almost surely, 2^1300031120 is an apocalyptic number.

1300031120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300031120 is an abundant number, since it is smaller than the sum of its proper divisors (1735128040).

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

1300031120 is a wasteful number, since it uses less digits than its factorization.

1300031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67683 (or 67677 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1300031120 is about 36055.9443088099. The cubic root of 1300031120 is about 1091.4015917471.

Adding to 1300031120 its reverse (211300031), we get a palindrome (1511331151).

The spelling of 1300031120 in words is "one billion, three hundred million, thirty-one thousand, one hundred twenty".