313314531 has 4 divisors (see below), whose sum is σ = 417752712. Its totient is φ = 208876352.

The previous prime is 313314523. The next prime is 313314571. The reversal of 313314531 is 135413313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313314531 - 2³ = 313314523 is a prime.

It is a super-2 number, since 2×313314531² = 196331990671499922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313314571) 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, 52219086 + ... + 52219091.

It is an arithmetic number, because the mean of its divisors is an integer number (104438178).

Almost surely, 2^313314531 is an apocalyptic number.

313314531 is a deficient number, since it is larger than the sum of its proper divisors (104438181).

313314531 is a wasteful number, since it uses less digits than its factorization.

313314531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104438180.

The product of its digits is 1620, while the sum is 24.

The square root of 313314531 is about 17700.6929525372. The cubic root of 313314531 is about 679.1934865760.

Adding to 313314531 its reverse (135413313), we get a palindrome (448727844).

The spelling of 313314531 in words is "three hundred thirteen million, three hundred fourteen thousand, five hundred thirty-one".