31031210111323 has 8 divisors (see below), whose sum is σ = 31820605341840. Its totient is φ = 30243364235520.

The previous prime is 31031210111267. The next prime is 31031210111347. The reversal of 31031210111323 is 32311101213013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31031210111323 - 2³³ = 31022620176731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31031210111294 and 31031210111303.

It is not an unprimeable number, because it can be changed into a prime (31031210111393) 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 7 ways as a sum of consecutive naturals, for example, 387298113 + ... + 387378226.

It is an arithmetic number, because the mean of its divisors is an integer number (3977575667730).

Almost surely, 2^{31031210111323} is an apocalyptic number.

31031210111323 is a deficient number, since it is larger than the sum of its proper divisors (789395230517).

31031210111323 is an equidigital number, since it uses as much as digits as its factorization.

31031210111323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774677357.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 31031210111323 its reverse (32311101213013), we get a palindrome (63342311324336).

The spelling of 31031210111323 in words is "thirty-one trillion, thirty-one billion, two hundred ten million, one hundred eleven thousand, three hundred twenty-three".