31340314223 has 4 divisors (see below), whose sum is σ = 31854089928. Its totient is φ = 30826538520.

The previous prime is 31340314217. The next prime is 31340314273. The reversal of 31340314223 is 32241304313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32241304313 = 9787 ⋅3294299.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31340314223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31340314192 and 31340314201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31340314273) 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, 256887761 + ... + 256887882.

It is an arithmetic number, because the mean of its divisors is an integer number (7963522482).

Almost surely, 2^31340314223 is an apocalyptic number.

31340314223 is a deficient number, since it is larger than the sum of its proper divisors (513775705).

31340314223 is an equidigital number, since it uses as much as digits as its factorization.

31340314223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513775704.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 31340314223 its reverse (32241304313), we get a palindrome (63581618536).

The spelling of 31340314223 in words is "thirty-one billion, three hundred forty million, three hundred fourteen thousand, two hundred twenty-three".