1300431346 has 16 divisors (see below), whose sum is σ = 1975108824. Its totient is φ = 642104064.

The previous prime is 1300431329. The next prime is 1300431361. The reversal of 1300431346 is 6431340031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 849081321 + 451350025 = 29139^2 + 21245^2 .

It is a super-2 number, since 2×1300431346² = 3382243371318743432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1300431346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52216 + ... + 72988.

Almost surely, 2^1300431346 is an apocalyptic number.

1300431346 is a deficient number, since it is larger than the sum of its proper divisors (674677478).

1300431346 is a wasteful number, since it uses less digits than its factorization.

1300431346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21165.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1300431346 is about 36061.4939513049. The cubic root of 1300431346 is about 1091.5135794448.

Adding to 1300431346 its reverse (6431340031), we get a palindrome (7731771377).

The spelling of 1300431346 in words is "one billion, three hundred million, four hundred thirty-one thousand, three hundred forty-six".