1312145302 has 8 divisors (see below), whose sum is σ = 2119619376. Its totient is φ = 605605512.

The previous prime is 1312145299. The next prime is 1312145321. The reversal of 1312145302 is 2035412131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25233538 + ... + 25233589.

It is an arithmetic number, because the mean of its divisors is an integer number (264952422).

Almost surely, 2^1312145302 is an apocalyptic number.

1312145302 is a deficient number, since it is larger than the sum of its proper divisors (807474074).

1312145302 is a wasteful number, since it uses less digits than its factorization.

1312145302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50467142.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1312145302 is about 36223.5462372198. The cubic root of 1312145302 is about 1094.7811470904.

Adding to 1312145302 its reverse (2035412131), we get a palindrome (3347557433).

The spelling of 1312145302 in words is "one billion, three hundred twelve million, one hundred forty-five thousand, three hundred two".