1317230450 has 12 divisors (see below), whose sum is σ = 2450048730. Its totient is φ = 526892160.

The previous prime is 1317230407. The next prime is 1317230479. The reversal of 1317230450 is 540327131.

It can be written as a sum of positive squares in 3 ways, for example, as 1055535121 + 261695329 = 32489^2 + 16177^2 .

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, 13172255 + ... + 13172354.

Almost surely, 2^1317230450 is an apocalyptic number.

1317230450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1317230450 is a deficient number, since it is larger than the sum of its proper divisors (1132818280).

1317230450 is a wasteful number, since it uses less digits than its factorization.

1317230450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26344621 (or 26344616 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1317230450 is about 36293.6695582026. The cubic root of 1317230450 is about 1096.1935790571.

Adding to 1317230450 its reverse (540327131), we get a palindrome (1857557581).

The spelling of 1317230450 in words is "one billion, three hundred seventeen million, two hundred thirty thousand, four hundred fifty".