313140133 has 4 divisors (see below), whose sum is σ = 313182688. Its totient is φ = 313097580.

The previous prime is 313140131. The next prime is 313140151. The reversal of 313140133 is 331041313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331041313 = 19 ⋅17423227.

It is a cyclic number.

It is not a de Polignac number, because 313140133 - 2¹ = 313140131 is a prime.

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 313140133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313140131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7083 + ... + 26008.

It is an arithmetic number, because the mean of its divisors is an integer number (78295672).

Almost surely, 2^313140133 is an apocalyptic number.

It is an amenable number.

313140133 is a deficient number, since it is larger than the sum of its proper divisors (42555).

313140133 is an equidigital number, since it uses as much as digits as its factorization.

313140133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42554.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 313140133 is about 17695.7659625120. The cubic root of 313140133 is about 679.0674450022.

Adding to 313140133 its reverse (331041313), we get a palindrome (644181446).

It can be divided in two parts, 3131 and 40133, that added together give a square (43264 = 208²).

The spelling of 313140133 in words is "three hundred thirteen million, one hundred forty thousand, one hundred thirty-three".