124231240031 has 4 divisors (see below), whose sum is σ = 126874457952. Its totient is φ = 121588022112.

The previous prime is 124231240013. The next prime is 124231240037. The reversal of 124231240031 is 130042132421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124231240031 - 2²² = 124227045727 is a prime.

It is a super-2 number, since 2×124231240031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124231239979 and 124231240006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124231240037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321608890 + ... + 1321608983.

It is an arithmetic number, because the mean of its divisors is an integer number (31718614488).

Almost surely, 2^124231240031 is an apocalyptic number.

124231240031 is a deficient number, since it is larger than the sum of its proper divisors (2643217921).

124231240031 is an equidigital number, since it uses as much as digits as its factorization.

124231240031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643217920.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 124231240031 its reverse (130042132421), we get a palindrome (254273372452).

The spelling of 124231240031 in words is "one hundred twenty-four billion, two hundred thirty-one million, two hundred forty thousand, thirty-one".