313201331 has 8 divisors (see below), whose sum is σ = 315727104. Its totient is φ = 310681800.

The previous prime is 313201313. The next prime is 313201351. The reversal of 313201331 is 133102313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313201331 - 2²⁶ = 246092467 is a prime.

It is a super-2 number, since 2×313201331² = 196190147480343122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313201351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168650 + ... + 170496.

It is an arithmetic number, because the mean of its divisors is an integer number (39465888).

Almost surely, 2^313201331 is an apocalyptic number.

313201331 is a deficient number, since it is larger than the sum of its proper divisors (2525773).

313201331 is a wasteful number, since it uses less digits than its factorization.

313201331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 313201331 is about 17697.4950487350. The cubic root of 313201331 is about 679.1116795776. Note that the first 3 decimals are identical.

Adding to 313201331 its reverse (133102313), we get a palindrome (446303644).

The spelling of 313201331 in words is "three hundred thirteen million, two hundred one thousand, three hundred thirty-one".