130531427 has 4 divisors (see below), whose sum is σ = 140572320. Its totient is φ = 120490536.

The previous prime is 130531409. The next prime is 130531433. The reversal of 130531427 is 724135031.

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 130531427 - 2²⁰ = 129482851 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 130531396 and 130531405.

It is not an unprimeable number, because it can be changed into a prime (130531487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5020427 + ... + 5020452.

It is an arithmetic number, because the mean of its divisors is an integer number (35143080).

Almost surely, 2^130531427 is an apocalyptic number.

130531427 is a deficient number, since it is larger than the sum of its proper divisors (10040893).

130531427 is a wasteful number, since it uses less digits than its factorization.

130531427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10040892.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 130531427 is about 11425.0350984144. The cubic root of 130531427 is about 507.2690458265.

Adding to 130531427 its reverse (724135031), we get a palindrome (854666458).

The spelling of 130531427 in words is "one hundred thirty million, five hundred thirty-one thousand, four hundred twenty-seven".