313040361 has 4 divisors (see below), whose sum is σ = 417387152. Its totient is φ = 208693572.

The previous prime is 313040341. The next prime is 313040369. The reversal of 313040361 is 163040313.

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.

It is not a de Polignac number, because 313040361 - 2²⁵ = 279485929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313040369) 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, 52173391 + ... + 52173396.

It is an arithmetic number, because the mean of its divisors is an integer number (104346788).

Almost surely, 2^313040361 is an apocalyptic number.

It is an amenable number.

313040361 is a deficient number, since it is larger than the sum of its proper divisors (104346791).

313040361 is a wasteful number, since it uses less digits than its factorization.

313040361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104346790.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 313040361 is about 17692.9466454856. The cubic root of 313040361 is about 678.9953163640.

Adding to 313040361 its reverse (163040313), we get a palindrome (476080674).

The spelling of 313040361 in words is "three hundred thirteen million, forty thousand, three hundred sixty-one".