10123030031 has 4 divisors (see below), whose sum is σ = 10125287592. Its totient is φ = 10120772472.

The previous prime is 10123030013. The next prime is 10123030091. The reversal of 10123030031 is 13003032101.

10123030031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13003032101 = 569 ⋅22852429.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10123030031 is a prime.

It is a super-2 number, since 2×10123030031² (a number of 21 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 = 10123029988 and 10123030015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123030091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122041 + ... + 1131026.

It is an arithmetic number, because the mean of its divisors is an integer number (2531321898).

Almost surely, 2^10123030031 is an apocalyptic number.

10123030031 is a deficient number, since it is larger than the sum of its proper divisors (2257561).

10123030031 is an equidigital number, since it uses as much as digits as its factorization.

10123030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257560.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 10123030031 its reverse (13003032101), we get a palindrome (23126062132).

The spelling of 10123030031 in words is "ten billion, one hundred twenty-three million, thirty thousand, thirty-one".