1312144430 has 8 divisors (see below), whose sum is σ = 2361859992. Its totient is φ = 524857768.

The previous prime is 1312144423. The next prime is 1312144459. The reversal of 1312144430 is 344412131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1312144396 and 1312144405.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 65607212 + ... + 65607231.

It is an arithmetic number, because the mean of its divisors is an integer number (295232499).

Almost surely, 2^1312144430 is an apocalyptic number.

1312144430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312144430 is a deficient number, since it is larger than the sum of its proper divisors (1049715562).

1312144430 is a wasteful number, since it uses less digits than its factorization.

1312144430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131214450.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1312144430 is about 36223.5342008479. The cubic root of 1312144430 is about 1094.7809045742.

Adding to 1312144430 its reverse (344412131), we get a palindrome (1656556561).

The spelling of 1312144430 in words is "one billion, three hundred twelve million, one hundred forty-four thousand, four hundred thirty".