313333213312331 has 4 divisors (see below), whose sum is σ = 313333478199552. Its totient is φ = 313332948425112.

The previous prime is 313333213312321. The next prime is 313333213312369. The reversal of 313333213312331 is 133213312333313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313333213312331 is a prime.

It is a super-2 number, since 2×313333213312331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313333213312291 and 313333213312300.

It is not an unprimeable number, because it can be changed into a prime (313333213312321) 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, 130661276 + ... + 133037721.

It is an arithmetic number, because the mean of its divisors is an integer number (78333369549888).

Almost surely, 2^{313333213312331} is an apocalyptic number.

313333213312331 is a deficient number, since it is larger than the sum of its proper divisors (264887221).

313333213312331 is a wasteful number, since it uses less digits than its factorization.

313333213312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264887220.

The product of its digits is 78732, while the sum is 35.

Adding to 313333213312331 its reverse (133213312333313), we get a palindrome (446546525645644).

The spelling of 313333213312331 in words is "three hundred thirteen trillion, three hundred thirty-three billion, two hundred thirteen million, three hundred twelve thousand, three hundred thirty-one".