31301030123 has 8 divisors (see below), whose sum is σ = 34194078720. Its totient is φ = 28415898280.

The previous prime is 31301030087. The next prime is 31301030129. The reversal of 31301030123 is 32103010313.

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

It is not a de Polignac number, because 31301030123 - 2²⁰ = 31299981547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31301030129) 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, 1970915 + ... + 1986732.

It is an arithmetic number, because the mean of its divisors is an integer number (4274259840).

Almost surely, 2^31301030123 is an apocalyptic number.

31301030123 is a deficient number, since it is larger than the sum of its proper divisors (2893048597).

31301030123 is a wasteful number, since it uses less digits than its factorization.

31301030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958377.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31301030123 its reverse (32103010313), we get a palindrome (63404040436).

The spelling of 31301030123 in words is "thirty-one billion, three hundred one million, thirty thousand, one hundred twenty-three".