1312144342 has 8 divisors (see below), whose sum is σ = 2053791216. Its totient is φ = 627547272.

The previous prime is 1312144321. The next prime is 1312144363. The reversal of 1312144342 is 2434412131.

It is an interprime number because it is at equal distance from previous prime (1312144321) and next prime (1312144363).

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

It is a super-2 number, since 2×1312144342² = 3443445548485225928, which contains 22 as substring.

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, 14262393 + ... + 14262484.

It is an arithmetic number, because the mean of its divisors is an integer number (256723902).

Almost surely, 2^1312144342 is an apocalyptic number.

1312144342 is a deficient number, since it is larger than the sum of its proper divisors (741646874).

1312144342 is a wasteful number, since it uses less digits than its factorization.

1312144342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28524902.

The product of its digits is 2304, while the sum is 25.

The square root of 1312144342 is about 36223.5329861680. The cubic root of 1312144342 is about 1094.7808801001.

Adding to 1312144342 its reverse (2434412131), we get a palindrome (3746556473).

The spelling of 1312144342 in words is "one billion, three hundred twelve million, one hundred forty-four thousand, three hundred forty-two".