31314313130243 has 48 divisors (see below), whose sum is σ = 39236457254400. Its totient is φ = 24755625259200.

The previous prime is 31314313130239. The next prime is 31314313130257. The reversal of 31314313130243 is 34203131341313.

It is a happy number.

It is not a de Polignac number, because 31314313130243 - 2² = 31314313130239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31314313130273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2423078 + ... + 8276468.

It is an arithmetic number, because the mean of its divisors is an integer number (817426192800).

Almost surely, 2^{31314313130243} is an apocalyptic number.

31314313130243 is a deficient number, since it is larger than the sum of its proper divisors (7922144124157).

31314313130243 is a wasteful number, since it uses less digits than its factorization.

31314313130243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853624 (or 5853613 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 31314313130243 its reverse (34203131341313), we get a palindrome (65517444471556).

The spelling of 31314313130243 in words is "thirty-one trillion, three hundred fourteen billion, three hundred thirteen million, one hundred thirty thousand, two hundred forty-three".