130536031 has 4 divisors (see below), whose sum is σ = 130855600. Its totient is φ = 130216464.

The previous prime is 130536001. The next prime is 130536053. The reversal of 130536031 is 130635031.

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 130536031 - 2¹⁹ = 130011743 is a prime.

It is a super-2 number, since 2×130536031² = 34079310778465922, 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 = 130535993 and 130536011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130536001) 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, 159171 + ... + 159988.

It is an arithmetic number, because the mean of its divisors is an integer number (32713900).

Almost surely, 2^130536031 is an apocalyptic number.

130536031 is a deficient number, since it is larger than the sum of its proper divisors (319569).

130536031 is an equidigital number, since it uses as much as digits as its factorization.

130536031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319568.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 130536031 is about 11425.2365839837. The cubic root of 130536031 is about 507.2750097522.

The spelling of 130536031 in words is "one hundred thirty million, five hundred thirty-six thousand, thirty-one".