1313312022142 has 4 divisors (see below), whose sum is σ = 1969968033216. Its totient is φ = 656656011070.

The previous prime is 1313312022133. The next prime is 1313312022173. The reversal of 1313312022142 is 2412202133131.

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

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, 328328005534 + ... + 328328005537.

It is an arithmetic number, because the mean of its divisors is an integer number (492492008304).

Almost surely, 2^{1313312022142} is an apocalyptic number.

1313312022142 is a deficient number, since it is larger than the sum of its proper divisors (656656011074).

1313312022142 is an equidigital number, since it uses as much as digits as its factorization.

1313312022142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656656011073.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1313312022142 its reverse (2412202133131), we get a palindrome (3725514155273).

The spelling of 1313312022142 in words is "one trillion, three hundred thirteen billion, three hundred twelve million, twenty-two thousand, one hundred forty-two".