313000312231 has 4 divisors (see below), whose sum is σ = 313002868464. Its totient is φ = 312997756000.

The previous prime is 313000312211. The next prime is 313000312279. The reversal of 313000312231 is 132213000313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132213000313 = 823 ⋅160647631.

It is a cyclic number.

It is not a de Polignac number, because 313000312231 - 2¹⁵ = 313000279463 is a prime.

It is a super-2 number, since 2×313000312231² (a number of 24 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 = 313000312199 and 313000312208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313000312211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084690 + ... + 1342591.

It is an arithmetic number, because the mean of its divisors is an integer number (78250717116).

Almost surely, 2^313000312231 is an apocalyptic number.

313000312231 is a deficient number, since it is larger than the sum of its proper divisors (2556233).

313000312231 is a wasteful number, since it uses less digits than its factorization.

313000312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556232.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 313000312231 its reverse (132213000313), we get a palindrome (445213312544).

The spelling of 313000312231 in words is "three hundred thirteen billion, three hundred twelve thousand, two hundred thirty-one".