130540031 has 2 divisors, whose sum is σ = 130540032. Its totient is φ = 130540030.

The previous prime is 130540021. The next prime is 130540097. The reversal of 130540031 is 130045031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130540031 - 2¹⁴ = 130523647 is a prime.

It is a super-2 number, since 2×130540031² = 34081399386961922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 130539991 and 130540009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130540001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65270015 + 65270016.

It is an arithmetic number, because the mean of its divisors is an integer number (65270016).

Almost surely, 2^130540031 is an apocalyptic number.

130540031 is a deficient number, since it is larger than the sum of its proper divisors (1).

130540031 is an equidigital number, since it uses as much as digits as its factorization.

130540031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 130540031 is about 11425.4116337224. The cubic root of 130540031 is about 507.2801911552.

Adding to 130540031 its reverse (130045031), we get a palindrome (260585062).

The spelling of 130540031 in words is "one hundred thirty million, five hundred forty thousand, thirty-one".