312113324123101 has 4 divisors (see below), whose sum is σ = 312113558160252. Its totient is φ = 312113090085952.

The previous prime is 312113324123089. The next prime is 312113324123123. The reversal of 312113324123101 is 101321423311213.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 95142486318201 + 216970837804900 = 9754101^2 + 14729930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312113324123101 is a prime.

It is a super-2 number, since 2×312113324123101² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312113324123101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312113324123401) 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, 115006636 + ... + 117689221.

It is an arithmetic number, because the mean of its divisors is an integer number (78028389540063).

Almost surely, 2^{312113324123101} is an apocalyptic number.

It is an amenable number.

312113324123101 is a deficient number, since it is larger than the sum of its proper divisors (234037151).

312113324123101 is a wasteful number, since it uses less digits than its factorization.

312113324123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234037150.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 312113324123101 its reverse (101321423311213), we get a palindrome (413434747434314).

The spelling of 312113324123101 in words is "three hundred twelve trillion, one hundred thirteen billion, three hundred twenty-four million, one hundred twenty-three thousand, one hundred one".