130123031021 has 8 divisors (see below), whose sum is σ = 130454179680. Its totient is φ = 129792051792.

The previous prime is 130123030993. The next prime is 130123031029. The reversal of 130123031021 is 120130321031.

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 130123031021 - 2¹⁰ = 130123029997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130123031029) 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, 1573535 + ... + 1654163.

It is an arithmetic number, because the mean of its divisors is an integer number (16306772460).

Almost surely, 2^130123031021 is an apocalyptic number.

It is an amenable number.

130123031021 is a deficient number, since it is larger than the sum of its proper divisors (331148659).

130123031021 is an equidigital number, since it uses as much as digits as its factorization.

130123031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84715.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 130123031021 its reverse (120130321031), we get a palindrome (250253352052).

The spelling of 130123031021 in words is "one hundred thirty billion, one hundred twenty-three million, thirty-one thousand, twenty-one".