2130310031 has 4 divisors (see below), whose sum is σ = 2130640512. Its totient is φ = 2129979552.

The previous prime is 2130310019. The next prime is 2130310093. The reversal of 2130310031 is 1300130312.

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 2130310031 - 2²⁶ = 2063201167 is a prime.

It is a super-2 number, since 2×2130310031² = 9076441656358441922, 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 = 2130309988 and 2130310015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130319031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155375 + ... + 168528.

It is an arithmetic number, because the mean of its divisors is an integer number (532660128).

Almost surely, 2^2130310031 is an apocalyptic number.

2130310031 is a deficient number, since it is larger than the sum of its proper divisors (330481).

2130310031 is an equidigital number, since it uses as much as digits as its factorization.

2130310031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330480.

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

The square root of 2130310031 is about 46155.2817237637. The cubic root of 2130310031 is about 1286.7107739972.

Adding to 2130310031 its reverse (1300130312), we get a palindrome (3430440343).

The spelling of 2130310031 in words is "two billion, one hundred thirty million, three hundred ten thousand, thirty-one".