313211131444131 has 4 divisors (see below), whose sum is σ = 417614841925512. Its totient is φ = 208807420962752.

The previous prime is 313211131444097. The next prime is 313211131444157. The reversal of 313211131444131 is 131444131112313.

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

It is a cyclic number.

It is not a de Polignac number, because 313211131444131 - 2⁹ = 313211131443619 is a prime.

It is a super-2 number, since 2×313211131444131² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313211131444092 and 313211131444101.

It is not an unprimeable number, because it can be changed into a prime (313211131444171) 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, 52201855240686 + ... + 52201855240691.

It is an arithmetic number, because the mean of its divisors is an integer number (104403710481378).

Almost surely, 2^{313211131444131} is an apocalyptic number.

313211131444131 is a deficient number, since it is larger than the sum of its proper divisors (104403710481381).

313211131444131 is a wasteful number, since it uses less digits than its factorization.

313211131444131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104403710481380.

The product of its digits is 10368, while the sum is 33.

Adding to 313211131444131 its reverse (131444131112313), we get a palindrome (444655262556444).

The spelling of 313211131444131 in words is "three hundred thirteen trillion, two hundred eleven billion, one hundred thirty-one million, four hundred forty-four thousand, one hundred thirty-one".