123031110131 has 8 divisors (see below), whose sum is σ = 123349827744. Its totient is φ = 122712609600.

The previous prime is 123031110119. The next prime is 123031110197. The reversal of 123031110131 is 131011130321.

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 123031110131 - 2⁶ = 123031110067 is a prime.

It is a super-2 number, since 2×123031110131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123030110131) 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, 1113041 + ... + 1218573.

It is an arithmetic number, because the mean of its divisors is an integer number (15418728468).

Almost surely, 2^123031110131 is an apocalyptic number.

123031110131 is a deficient number, since it is larger than the sum of its proper divisors (318717613).

123031110131 is a wasteful number, since it uses less digits than its factorization.

123031110131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108541.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 123031110131 its reverse (131011130321), we get a palindrome (254042240452).

The spelling of 123031110131 in words is "one hundred twenty-three billion, thirty-one million, one hundred ten thousand, one hundred thirty-one".