1312506302 has 32 divisors (see below), whose sum is σ = 2086456320. Its totient is φ = 618214240.

The previous prime is 1312506289. The next prime is 1312506311. The reversal of 1312506302 is 2036052131.

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 15 ways as a sum of consecutive naturals, for example, 1272527 + ... + 1273557.

It is an arithmetic number, because the mean of its divisors is an integer number (65201760).

Almost surely, 2^1312506302 is an apocalyptic number.

1312506302 is a deficient number, since it is larger than the sum of its proper divisors (773950018).

1312506302 is a wasteful number, since it uses less digits than its factorization.

1312506302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1312506302 is about 36228.5288412323. The cubic root of 1312506302 is about 1094.8815373330.

Adding to 1312506302 its reverse (2036052131), we get a palindrome (3348558433).

The spelling of 1312506302 in words is "one billion, three hundred twelve million, five hundred six thousand, three hundred two".