1311445352342 has 4 divisors (see below), whose sum is σ = 1967168028516. Its totient is φ = 655722676170.

The previous prime is 1311445352299. The next prime is 1311445352351. The reversal of 1311445352342 is 2432535441131.

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

It is a junction number, because it is equal to n+sod(n) for n = 1311445352296 and 1311445352305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327861338084 + ... + 327861338087.

It is an arithmetic number, because the mean of its divisors is an integer number (491792007129).

Almost surely, 2^{1311445352342} is an apocalyptic number.

1311445352342 is a deficient number, since it is larger than the sum of its proper divisors (655722676174).

1311445352342 is an equidigital number, since it uses as much as digits as its factorization.

1311445352342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655722676173.

The product of its digits is 172800, while the sum is 38.

The spelling of 1311445352342 in words is "one trillion, three hundred eleven billion, four hundred forty-five million, three hundred fifty-two thousand, three hundred forty-two".