312131134114342 has 4 divisors (see below), whose sum is σ = 468196701171516. Its totient is φ = 156065567057170.

The previous prime is 312131134114201. The next prime is 312131134114363. The reversal of 312131134114342 is 243411431131213.

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 = 312131134114298 and 312131134114307.

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, 78032783528584 + ... + 78032783528587.

It is an arithmetic number, because the mean of its divisors is an integer number (117049175292879).

Almost surely, 2^{312131134114342} is an apocalyptic number.

312131134114342 is a deficient number, since it is larger than the sum of its proper divisors (156065567057174).

312131134114342 is a wasteful number, since it uses less digits than its factorization.

312131134114342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156065567057173.

The product of its digits is 20736, while the sum is 34.

Adding to 312131134114342 its reverse (243411431131213), we get a palindrome (555542565245555).

The spelling of 312131134114342 in words is "three hundred twelve trillion, one hundred thirty-one billion, one hundred thirty-four million, one hundred fourteen thousand, three hundred forty-two".