313152436133 has 4 divisors (see below), whose sum is σ = 313164157740. Its totient is φ = 313140714528.

The previous prime is 313152436063. The next prime is 313152436169. The reversal of 313152436133 is 331634251313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331634251313 = 78623 ⋅4218031.

It can be written as a sum of positive squares in 2 ways, for example, as 62769289444 + 250383146689 = 250538^2 + 500383^2 .

It is a cyclic number.

It is not a de Polignac number, because 313152436133 - 2¹² = 313152432037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 313152436093 and 313152436102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313152430133) 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, 5820638 + ... + 5874191.

It is an arithmetic number, because the mean of its divisors is an integer number (78291039435).

Almost surely, 2^313152436133 is an apocalyptic number.

It is an amenable number.

313152436133 is a deficient number, since it is larger than the sum of its proper divisors (11721607).

313152436133 is a wasteful number, since it uses less digits than its factorization.

313152436133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11721606.

The product of its digits is 58320, while the sum is 35.

Adding to 313152436133 its reverse (331634251313), we get a palindrome (644786687446).

The spelling of 313152436133 in words is "three hundred thirteen billion, one hundred fifty-two million, four hundred thirty-six thousand, one hundred thirty-three".