130450031 has 4 divisors (see below), whose sum is σ = 130517352. Its totient is φ = 130382712.

The previous prime is 130450007. The next prime is 130450037. The reversal of 130450031 is 130054031.

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 130450031 - 2⁶ = 130449967 is a prime.

It is a super-2 number, since 2×130450031² = 34034421175801922, 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 = 130449991 and 130450009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130450037) 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, 30665 + ... + 34658.

It is an arithmetic number, because the mean of its divisors is an integer number (32629338).

Almost surely, 2^130450031 is an apocalyptic number.

130450031 is a deficient number, since it is larger than the sum of its proper divisors (67321).

130450031 is an equidigital number, since it uses as much as digits as its factorization.

130450031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67320.

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

The square root of 130450031 is about 11421.4723656804. The cubic root of 130450031 is about 507.1635839783.

The spelling of 130450031 in words is "one hundred thirty million, four hundred fifty thousand, thirty-one".