1321341031142 has 16 divisors (see below), whose sum is σ = 2184485082192. Its totient is φ = 594417707520.

The previous prime is 1321341031139. The next prime is 1321341031169. The reversal of 1321341031142 is 2411301431231.

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 7 ways as a sum of consecutive naturals, for example, 309590423 + ... + 309594690.

It is an arithmetic number, because the mean of its divisors is an integer number (136530317637).

Almost surely, 2^{1321341031142} is an apocalyptic number.

1321341031142 is a deficient number, since it is larger than the sum of its proper divisors (863144051050).

1321341031142 is a wasteful number, since it uses less digits than its factorization.

1321341031142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619185223.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 1321341031142 its reverse (2411301431231), we get a palindrome (3732642462373).

The spelling of 1321341031142 in words is "one trillion, three hundred twenty-one billion, three hundred forty-one million, thirty-one thousand, one hundred forty-two".