31300231323 has 12 divisors (see below), whose sum is σ = 42142799400. Its totient is φ = 20664209376.

The previous prime is 31300231279. The next prime is 31300231337. The reversal of 31300231323 is 32313200313.

It is not a de Polignac number, because 31300231323 - 2²¹ = 31298134171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31300231323.

It is not an unprimeable number, because it can be changed into a prime (31300231393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459898 + ... + 523551.

It is an arithmetic number, because the mean of its divisors is an integer number (3511899950).

Almost surely, 2^31300231323 is an apocalyptic number.

31300231323 is a deficient number, since it is larger than the sum of its proper divisors (10842568077).

31300231323 is an equidigital number, since it uses as much as digits as its factorization.

31300231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983658 (or 983555 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31300231323 its reverse (32313200313), we get a palindrome (63613431636).

The spelling of 31300231323 in words is "thirty-one billion, three hundred million, two hundred thirty-one thousand, three hundred twenty-three".