130245031 has 4 divisors (see below), whose sum is σ = 148851472. Its totient is φ = 111638592.

The previous prime is 130245029. The next prime is 130245053. The reversal of 130245031 is 130542031.

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 130245031 - 2¹ = 130245029 is a prime.

It is a super-2 number, since 2×130245031² = 33927536200381922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130248031) 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, 9303210 + ... + 9303223.

It is an arithmetic number, because the mean of its divisors is an integer number (37212868).

Almost surely, 2^130245031 is an apocalyptic number.

130245031 is a deficient number, since it is larger than the sum of its proper divisors (18606441).

130245031 is an equidigital number, since it uses as much as digits as its factorization.

130245031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18606440.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 130245031 is about 11412.4945125945. The cubic root of 130245031 is about 506.8977783843.

Adding to 130245031 its reverse (130542031), we get a palindrome (260787062).

The spelling of 130245031 in words is "one hundred thirty million, two hundred forty-five thousand, thirty-one".