1312302430 has 16 divisors (see below), whose sum is σ = 2380746240. Its totient is φ = 520787232.

The previous prime is 1312302379. The next prime is 1312302449. The reversal of 1312302430 is 342032131.

It is a junction number, because it is equal to n+sod(n) for n = 1312302398 and 1312302407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515385 + ... + 517924.

It is an arithmetic number, because the mean of its divisors is an integer number (148796640).

Almost surely, 2^1312302430 is an apocalyptic number.

1312302430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312302430 is a deficient number, since it is larger than the sum of its proper divisors (1068443810).

1312302430 is a wasteful number, since it uses less digits than its factorization.

1312302430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033443.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1312302430 is about 36225.7150378015. The cubic root of 1312302430 is about 1094.8248449710.

Adding to 1312302430 its reverse (342032131), we get a palindrome (1654334561).

The spelling of 1312302430 in words is "one billion, three hundred twelve million, three hundred two thousand, four hundred thirty".