2130240031 has 2 divisors, whose sum is σ = 2130240032. Its totient is φ = 2130240030.

The previous prime is 2130239981. The next prime is 2130240061. The reversal of 2130240031 is 1300420312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2130240031 - 2¹¹ = 2130237983 is a prime.

It is a super-2 number, since 2×2130240031² = 9075845179349761922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2130239987 and 2130240014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130240061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065120015 + 1065120016.

It is an arithmetic number, because the mean of its divisors is an integer number (1065120016).

Almost surely, 2^2130240031 is an apocalyptic number.

2130240031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130240031 is an equidigital number, since it uses as much as digits as its factorization.

2130240031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2130240031 is about 46154.5234077875. The cubic root of 2130240031 is about 1286.6966804710.

Adding to 2130240031 its reverse (1300420312), we get a palindrome (3430660343).

The spelling of 2130240031 in words is "two billion, one hundred thirty million, two hundred forty thousand, thirty-one".