130147531 has 2 divisors, whose sum is σ = 130147532. Its totient is φ = 130147530.

The previous prime is 130147453. The next prime is 130147553. The reversal of 130147531 is 135741031.

It is a strong prime.

It is an emirp because it is prime and its reverse (135741031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130147531 - 2¹⁵ = 130114763 is a prime.

It is a super-2 number, since 2×130147531² = 33876759650791922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130147496 and 130147505.

It is not a weakly prime, because it can be changed into another prime (130147561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65073765 + 65073766.

It is an arithmetic number, because the mean of its divisors is an integer number (65073766).

Almost surely, 2^130147531 is an apocalyptic number.

130147531 is a deficient number, since it is larger than the sum of its proper divisors (1).

130147531 is an equidigital number, since it uses as much as digits as its factorization.

130147531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 130147531 is about 11408.2220788342. Note that the first 3 decimals coincide. The cubic root of 130147531 is about 506.7712607723.

Adding to 130147531 its reverse (135741031), we get a palindrome (265888562).

The spelling of 130147531 in words is "one hundred thirty million, one hundred forty-seven thousand, five hundred thirty-one".