31030223213123 has 8 divisors (see below), whose sum is σ = 32425032429600. Its totient is φ = 29639219753088.

The previous prime is 31030223213023. The next prime is 31030223213281. The reversal of 31030223213123 is 32131232203013.

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 31030223213123 - 2¹⁶ = 31030223147587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31030223213092 and 31030223213101.

It is not an unprimeable number, because it can be changed into a prime (31030223213023) 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, 951422438 + ... + 951455051.

It is an arithmetic number, because the mean of its divisors is an integer number (4053129053700).

Almost surely, 2^{31030223213123} is an apocalyptic number.

31030223213123 is a deficient number, since it is larger than the sum of its proper divisors (1394809216477).

31030223213123 is a wasteful number, since it uses less digits than its factorization.

31030223213123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902878221.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 31030223213123 its reverse (32131232203013), we get a palindrome (63161455416136).

The spelling of 31030223213123 in words is "thirty-one trillion, thirty billion, two hundred twenty-three million, two hundred thirteen thousand, one hundred twenty-three".