313632271 has 2 divisors, whose sum is σ = 313632272. Its totient is φ = 313632270.

The previous prime is 313632227. The next prime is 313632283. The reversal of 313632271 is 172236313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313632271 - 2²³ = 305243663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313635271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156816135 + 156816136.

It is an arithmetic number, because the mean of its divisors is an integer number (156816136).

Almost surely, 2^313632271 is an apocalyptic number.

313632271 is a deficient number, since it is larger than the sum of its proper divisors (1).

313632271 is an equidigital number, since it uses as much as digits as its factorization.

313632271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 28.

The square root of 313632271 is about 17709.6660329889. Note that the first 3 decimals coincide. The cubic root of 313632271 is about 679.4230046337.

Adding to 313632271 its reverse (172236313), we get a palindrome (485868584).

The spelling of 313632271 in words is "three hundred thirteen million, six hundred thirty-two thousand, two hundred seventy-one".