313312033331 has 4 divisors (see below), whose sum is σ = 341794945464. Its totient is φ = 284829121200.

The previous prime is 313312033313. The next prime is 313312033367. The reversal of 313312033331 is 133330213313.

It is a happy number.

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 313312033331 - 2¹⁴ = 313312016947 is a prime.

It is a super-2 number, since 2×313312033331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313312033331.

It is not an unprimeable number, because it can be changed into a prime (313312033631) 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, 14241456050 + ... + 14241456071.

It is an arithmetic number, because the mean of its divisors is an integer number (85448736366).

Almost surely, 2^313312033331 is an apocalyptic number.

313312033331 is a deficient number, since it is larger than the sum of its proper divisors (28482912133).

313312033331 is a wasteful number, since it uses less digits than its factorization.

313312033331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28482912132.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 313312033331 its reverse (133330213313), we get a palindrome (446642246644).

The spelling of 313312033331 in words is "three hundred thirteen billion, three hundred twelve million, thirty-three thousand, three hundred thirty-one".