130147631 has 8 divisors (see below), whose sum is σ = 139093200. Its totient is φ = 121345408.

The previous prime is 130147561. The next prime is 130147643. The reversal of 130147631 is 136741031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130147631 - 2²² = 125953327 is a prime.

It is a super-2 number, since 2×130147631² = 33876811709824322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130147631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130147651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33956 + ... + 37593.

It is an arithmetic number, because the mean of its divisors is an integer number (17386650).

Almost surely, 2^130147631 is an apocalyptic number.

130147631 is a deficient number, since it is larger than the sum of its proper divisors (8945569).

130147631 is a wasteful number, since it uses less digits than its factorization.

130147631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71673.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 130147631 is about 11408.2264616372. The cubic root of 130147631 is about 506.7713905663.

Adding to 130147631 its reverse (136741031), we get a palindrome (266888662).

The spelling of 130147631 in words is "one hundred thirty million, one hundred forty-seven thousand, six hundred thirty-one".