1303135100 has 18 divisors (see below), whose sum is σ = 2827803384. Its totient is φ = 521254000.

The previous prime is 1303135087. The next prime is 1303135111. The reversal of 1303135100 is 15313031.

It is a super-2 number, since 2×1303135100² = 3396322177704020000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6515576 + ... + 6515775.

It is an arithmetic number, because the mean of its divisors is an integer number (157100188).

Almost surely, 2^1303135100 is an apocalyptic number.

1303135100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303135100 is an abundant number, since it is smaller than the sum of its proper divisors (1524668284).

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

1303135100 is a wasteful number, since it uses less digits than its factorization.

1303135100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13031365 (or 13031358 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 1303135100 is about 36098.9625889720. The cubic root of 1303135100 is about 1092.2695186915.

Adding to 1303135100 its reverse (15313031), we get a palindrome (1318448131).

The spelling of 1303135100 in words is "one billion, three hundred three million, one hundred thirty-five thousand, one hundred".