313122132001231 has 8 divisors (see below), whose sum is σ = 358997168230304. Its totient is φ = 267532921543680.

The previous prime is 313122132001207. The next prime is 313122132001243. The reversal of 313122132001231 is 132100231221313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313122132001231 is a prime.

It is a super-2 number, since 2×313122132001231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313122132001196 and 313122132001205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313122132002231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71456440530 + ... + 71456444911.

It is an arithmetic number, because the mean of its divisors is an integer number (44874646028788).

Almost surely, 2^{313122132001231} is an apocalyptic number.

313122132001231 is a deficient number, since it is larger than the sum of its proper divisors (45875036229073).

313122132001231 is a wasteful number, since it uses less digits than its factorization.

313122132001231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142912885761.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 313122132001231 its reverse (132100231221313), we get a palindrome (445222363222544).

The spelling of 313122132001231 in words is "three hundred thirteen trillion, one hundred twenty-two billion, one hundred thirty-two million, one thousand, two hundred thirty-one".