31023123301023 has 24 divisors (see below), whose sum is σ = 48120078746880. Its totient is φ = 17726547993840.

The previous prime is 31023123301019. The next prime is 31023123301091. The reversal of 31023123301023 is 32010332132013.

It is not a de Polignac number, because 31023123301023 - 2² = 31023123301019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31023123300984 and 31023123301002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023123301013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2906953 + ... + 8396226.

It is an arithmetic number, because the mean of its divisors is an integer number (2005003281120).

Almost surely, 2^{31023123301023} is an apocalyptic number.

31023123301023 is a deficient number, since it is larger than the sum of its proper divisors (17096955445857).

31023123301023 is a wasteful number, since it uses less digits than its factorization.

31023123301023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11321867 (or 11321860 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 31023123301023 its reverse (32010332132013), we get a palindrome (63033455433036).

The spelling of 31023123301023 in words is "thirty-one trillion, twenty-three billion, one hundred twenty-three million, three hundred one thousand, twenty-three".