313612141 has 4 divisors (see below), whose sum is σ = 332059932. Its totient is φ = 295164352.

The previous prime is 313612133. The next prime is 313612147. The reversal of 313612141 is 141216313.

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 282576100 + 31036041 = 16810^2 + 5571^2 .

It is a cyclic number.

It is not a de Polignac number, because 313612141 - 2³ = 313612133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313612147) 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, 9223870 + ... + 9223903.

It is an arithmetic number, because the mean of its divisors is an integer number (83014983).

Almost surely, 2^313612141 is an apocalyptic number.

It is an amenable number.

313612141 is a deficient number, since it is larger than the sum of its proper divisors (18447791).

313612141 is a wasteful number, since it uses less digits than its factorization.

313612141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18447790.

The product of its digits is 432, while the sum is 22.

The square root of 313612141 is about 17709.0976901704. The cubic root of 313612141 is about 679.4084684194.

Adding to 313612141 its reverse (141216313), we get a palindrome (454828454).

The spelling of 313612141 in words is "three hundred thirteen million, six hundred twelve thousand, one hundred forty-one".