313525123022143 has 4 divisors (see below), whose sum is σ = 313525527832120. Its totient is φ = 313524718212168.

The previous prime is 313525123022119. The next prime is 313525123022149. The reversal of 313525123022143 is 341220321525313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313525123022143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313525123022149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201241008 + ... + 202792981.

It is an arithmetic number, because the mean of its divisors is an integer number (78381381958030).

Almost surely, 2^{313525123022143} is an apocalyptic number.

313525123022143 is a deficient number, since it is larger than the sum of its proper divisors (404809977).

313525123022143 is an equidigital number, since it uses as much as digits as its factorization.

313525123022143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404809976.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 313525123022143 its reverse (341220321525313), we get a palindrome (654745444547456).

The spelling of 313525123022143 in words is "three hundred thirteen trillion, five hundred twenty-five billion, one hundred twenty-three million, twenty-two thousand, one hundred forty-three".