313432145 has 32 divisors (see below), whose sum is σ = 443711520. Its totient is φ = 210309120.

The previous prime is 313432139. The next prime is 313432157. The reversal of 313432145 is 541234313.

It can be written as a sum of positive squares in 16 ways, for example, as 81144064 + 232288081 = 9008^2 + 15241^2 .

It is not a de Polignac number, because 313432145 - 2⁶ = 313432081 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 27155 + ... + 36935.

It is an arithmetic number, because the mean of its divisors is an integer number (13865985).

Almost surely, 2^313432145 is an apocalyptic number.

It is an amenable number.

313432145 is a deficient number, since it is larger than the sum of its proper divisors (130279375).

313432145 is a wasteful number, since it uses less digits than its factorization.

313432145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9845.

The product of its digits is 4320, while the sum is 26.

The square root of 313432145 is about 17704.0149401202. The cubic root of 313432145 is about 679.2784625999.

Adding to 313432145 its reverse (541234313), we get a palindrome (854666458).

The spelling of 313432145 in words is "three hundred thirteen million, four hundred thirty-two thousand, one hundred forty-five".