1303130070 has 144 divisors (see below), whose sum is σ = 3943779840. Its totient is φ = 297285120.

The previous prime is 1303130063. The next prime is 1303130071. The reversal of 1303130070 is 700313031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303130071) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 181611 + ... + 188649.

It is an arithmetic number, because the mean of its divisors is an integer number (27387360).

Almost surely, 2^1303130070 is an apocalyptic number.

1303130070 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 1303130070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1971889920).

1303130070 is an abundant number, since it is smaller than the sum of its proper divisors (2640649770).

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

1303130070 is a wasteful number, since it uses less digits than its factorization.

1303130070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7091 (or 7077 counting only the distinct ones).

The product of its (nonzero) digits is 189, while the sum is 18.

The square root of 1303130070 is about 36098.8929193126. The cubic root of 1303130070 is about 1092.2681133312.

The spelling of 1303130070 in words is "one billion, three hundred three million, one hundred thirty thousand, seventy".