31301123123123 has 8 divisors (see below), whose sum is σ = 36926670597120. Its totient is φ = 25964065263240.

The previous prime is 31301123123087. The next prime is 31301123123147. The reversal of 31301123123123 is 32132132110313.

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 31301123123123 - 2¹⁴ = 31301123106739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31301123123092 and 31301123123101.

It is not an unprimeable number, because it can be changed into a prime (31301123123623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72122403293 + ... + 72122403726.

It is an arithmetic number, because the mean of its divisors is an integer number (4615833824640).

Almost surely, 2^{31301123123123} is an apocalyptic number.

31301123123123 is a deficient number, since it is larger than the sum of its proper divisors (5625547473997).

31301123123123 is a wasteful number, since it uses less digits than its factorization.

31301123123123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144244807057.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 31301123123123 its reverse (32132132110313), we get a palindrome (63433255233436).

The spelling of 31301123123123 in words is "thirty-one trillion, three hundred one billion, one hundred twenty-three million, one hundred twenty-three thousand, one hundred twenty-three".