130123031 has 8 divisors (see below), whose sum is σ = 133833744. Its totient is φ = 126443520.

The previous prime is 130123009. The next prime is 130123061. The reversal of 130123031 is 130321031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130123031 is a prime.

It is a super-2 number, since 2×130123031² = 33864006393253922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130122997 and 130123015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130123061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791 + ... + 16151.

It is an arithmetic number, because the mean of its divisors is an integer number (16729218).

Almost surely, 2^130123031 is an apocalyptic number.

130123031 is a deficient number, since it is larger than the sum of its proper divisors (3710713).

130123031 is a wasteful number, since it uses less digits than its factorization.

130123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15601.

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

The square root of 130123031 is about 11407.1482413441. The cubic root of 130123031 is about 506.7394592340.

Adding to 130123031 its reverse (130321031), we get a palindrome (260444062).

The spelling of 130123031 in words is "one hundred thirty million, one hundred twenty-three thousand, thirty-one".