313106146 has 4 divisors (see below), whose sum is σ = 469659222. Its totient is φ = 156553072.

The previous prime is 313106077. The next prime is 313106147. The reversal of 313106146 is 641601313.

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: 641601313 = 67 ⋅9576139.

It can be written as a sum of positive squares in only one way, i.e., 312759225 + 346921 = 17685^2 + 589^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 313106146.

It is not an unprimeable number, because it can be changed into a prime (313106147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78276535 + ... + 78276538.

Almost surely, 2^313106146 is an apocalyptic number.

313106146 is a deficient number, since it is larger than the sum of its proper divisors (156553076).

313106146 is a wasteful number, since it uses less digits than its factorization.

313106146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156553075.

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

The square root of 313106146 is about 17694.8056219897. The cubic root of 313106146 is about 679.0428763423.

Adding to 313106146 its reverse (641601313), we get a palindrome (954707459).

The spelling of 313106146 in words is "three hundred thirteen million, one hundred six thousand, one hundred forty-six".