1340313331142 has 4 divisors (see below), whose sum is σ = 2010469996716. Its totient is φ = 670156665570.

The previous prime is 1340313331141. The next prime is 1340313331153. The reversal of 1340313331142 is 2411333130431.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340313331141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335078332784 + ... + 335078332787.

It is an arithmetic number, because the mean of its divisors is an integer number (502617499179).

Almost surely, 2^{1340313331142} is an apocalyptic number.

1340313331142 is a deficient number, since it is larger than the sum of its proper divisors (670156665574).

1340313331142 is an equidigital number, since it uses as much as digits as its factorization.

1340313331142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670156665573.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 1340313331142 its reverse (2411333130431), we get a palindrome (3751646461573).

The spelling of 1340313331142 in words is "one trillion, three hundred forty billion, three hundred thirteen million, three hundred thirty-one thousand, one hundred forty-two".