1301003100 has 144 divisors (see below), whose sum is σ = 4253894400. Its totient is φ = 341012160.

The previous prime is 1301003087. The next prime is 1301003107. The reversal of 1301003100 is 13001031.

It is a super-2 number, since 2×1301003100² = 3385218132419220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301003107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155217 + ... + 163383.

Almost surely, 2^1301003100 is an apocalyptic number.

1301003100 is a gapful number since it is divisible by the number (10) 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 1301003100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2126947200).

1301003100 is an abundant number, since it is smaller than the sum of its proper divisors (2952891300).

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

1301003100 is a wasteful number, since it uses less digits than its factorization.

1301003100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8249 (or 8236 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 1301003100 is about 36069.4205664577. The cubic root of 1301003100 is about 1091.6735227379.

Adding to 1301003100 its reverse (13001031), we get a palindrome (1314004131).

The spelling of 1301003100 in words is "one billion, three hundred one million, three thousand, one hundred".