130731001 has 16 divisors (see below), whose sum is σ = 141704640. Its totient is φ = 120199680.

The previous prime is 130730993. The next prime is 130731031. The reversal of 130731001 is 100137031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 130731001 - 2³ = 130730993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130731031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220161 + ... + 220753.

It is an arithmetic number, because the mean of its divisors is an integer number (8856540).

Almost surely, 2^130731001 is an apocalyptic number.

It is an amenable number.

130731001 is a deficient number, since it is larger than the sum of its proper divisors (10973639).

130731001 is a wasteful number, since it uses less digits than its factorization.

130731001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 130731001 is about 11433.7658275828. The cubic root of 130731001 is about 507.5274412269.

Adding to 130731001 its reverse (100137031), we get a palindrome (230868032).

The spelling of 130731001 in words is "one hundred thirty million, seven hundred thirty-one thousand, one".