31230313323323 has 2 divisors, whose sum is σ = 31230313323324. Its totient is φ = 31230313323322.

The previous prime is 31230313323311. The next prime is 31230313323329. The reversal of 31230313323323 is 32332331303213.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (32332331303213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31230313323323 - 2⁶ = 31230313323259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31230313323323.

It is not a weakly prime, because it can be changed into another prime (31230313323329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15615156661661 + 15615156661662.

It is an arithmetic number, because the mean of its divisors is an integer number (15615156661662).

Almost surely, 2^{31230313323323} is an apocalyptic number.

31230313323323 is a deficient number, since it is larger than the sum of its proper divisors (1).

31230313323323 is an equidigital number, since it uses as much as digits as its factorization.

31230313323323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 32.

Adding to 31230313323323 its reverse (32332331303213), we get a palindrome (63562644626536).

The spelling of 31230313323323 in words is "thirty-one trillion, two hundred thirty billion, three hundred thirteen million, three hundred twenty-three thousand, three hundred twenty-three".