1313435500 has 48 divisors (see below), whose sum is σ = 3089215584. Its totient is φ = 484958400.

The previous prime is 1313435489. The next prime is 1313435531. The reversal of 1313435500 is 55343131.

It is a super-2 number, since 2×1313435500² = 3450225625320500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94534 + ... + 107533.

It is an arithmetic number, because the mean of its divisors is an integer number (64358658).

Almost surely, 2^1313435500 is an apocalyptic number.

1313435500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313435500 is an abundant number, since it is smaller than the sum of its proper divisors (1775780084).

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

1313435500 is a wasteful number, since it uses less digits than its factorization.

1313435500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202099 (or 202087 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1313435500 is about 36241.3506922686. The cubic root of 1313435500 is about 1095.1398527266.

Adding to 1313435500 its reverse (55343131), we get a palindrome (1368778631).

The spelling of 1313435500 in words is "one billion, three hundred thirteen million, four hundred thirty-five thousand, five hundred".