1312142330 has 32 divisors (see below), whose sum is σ = 2407881600. Its totient is φ = 514681920.

The previous prime is 1312142329. The next prime is 1312142383. The reversal of 1312142330 is 332412131.

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 15 ways as a sum of consecutive naturals, for example, 208571 + ... + 214769.

It is an arithmetic number, because the mean of its divisors is an integer number (75246300).

Almost surely, 2^1312142330 is an apocalyptic number.

1312142330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312142330 is a deficient number, since it is larger than the sum of its proper divisors (1095739270).

1312142330 is a wasteful number, since it uses less digits than its factorization.

1312142330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6614.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1312142330 is about 36223.5052141562. The cubic root of 1312142330 is about 1094.7803205325.

Adding to 1312142330 its reverse (332412131), we get a palindrome (1644554461).

The spelling of 1312142330 in words is "one billion, three hundred twelve million, one hundred forty-two thousand, three hundred thirty".