1312430434 has 32 divisors (see below), whose sum is σ = 2423393280. Its totient is φ = 520469712.

The previous prime is 1312430411. The next prime is 1312430437. The reversal of 1312430434 is 4340342131.

It is a junction number, because it is equal to n+sod(n) for n = 1312430399 and 1312430408.

It is not an unprimeable number, because it can be changed into a prime (1312430437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45934 + ... + 68809.

It is an arithmetic number, because the mean of its divisors is an integer number (75731040).

Almost surely, 2^1312430434 is an apocalyptic number.

1312430434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1312430434 is a deficient number, since it is larger than the sum of its proper divisors (1110962846).

1312430434 is a wasteful number, since it uses less digits than its factorization.

1312430434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114814.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1312430434 is about 36227.4817507372. The cubic root of 1312430434 is about 1094.8604407808.

Adding to 1312430434 its reverse (4340342131), we get a palindrome (5652772565).

The spelling of 1312430434 in words is "one billion, three hundred twelve million, four hundred thirty thousand, four hundred thirty-four".