31030213230123 has 8 divisors (see below), whose sum is σ = 41604755169600. Its totient is φ = 20571240055368.

The previous prime is 31030213230109. The next prime is 31030213230151. The reversal of 31030213230123 is 32103231203013.

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

It is not a de Polignac number, because 31030213230123 - 2⁵ = 31030213230091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31030213230093 and 31030213230102.

It is not an unprimeable number, because it can be changed into a prime (31030213230223) 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 7 ways as a sum of consecutive naturals, for example, 28892190553 + ... + 28892191626.

It is an arithmetic number, because the mean of its divisors is an integer number (5200594396200).

Almost surely, 2^{31030213230123} is an apocalyptic number.

31030213230123 is a deficient number, since it is larger than the sum of its proper divisors (10574541939477).

31030213230123 is a wasteful number, since it uses less digits than its factorization.

31030213230123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57784382361.

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

Adding to 31030213230123 its reverse (32103231203013), we get a palindrome (63133444433136).

The spelling of 31030213230123 in words is "thirty-one trillion, thirty billion, two hundred thirteen million, two hundred thirty thousand, one hundred twenty-three".