1312543062 has 32 divisors (see below), whose sum is σ = 2957852160. Its totient is φ = 431350920.

The previous prime is 1312543061. The next prime is 1312543091. The reversal of 1312543062 is 2603452131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312543061) by changing a digit.

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, 167338 + ... + 175005.

It is an arithmetic number, because the mean of its divisors is an integer number (92432880).

Almost surely, 2^1312543062 is an apocalyptic number.

1312543062 is an abundant number, since it is smaller than the sum of its proper divisors (1645309098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312543062 is a wasteful number, since it uses less digits than its factorization.

1312543062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342425 (or 342419 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1312543062 is about 36229.0361726613. The cubic root of 1312543062 is about 1094.8917588634.

Adding to 1312543062 its reverse (2603452131), we get a palindrome (3915995193).

The spelling of 1312543062 in words is "one billion, three hundred twelve million, five hundred forty-three thousand, sixty-two".