130231133405 has 8 divisors (see below), whose sum is σ = 157272758232. Its totient is φ = 103521307968.

The previous prime is 130231133377. The next prime is 130231133407. The reversal of 130231133405 is 504331132031.

It can be written as a sum of positive squares in 4 ways, for example, as 2697867481 + 127533265924 = 51941^2 + 357118^2 .

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 130231133405 - 2⁶ = 130231133341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130231133407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82948982 + ... + 82950551.

It is an arithmetic number, because the mean of its divisors is an integer number (19659094779).

Almost surely, 2^130231133405 is an apocalyptic number.

It is an amenable number.

130231133405 is a deficient number, since it is larger than the sum of its proper divisors (27041624827).

130231133405 is a wasteful number, since it uses less digits than its factorization.

130231133405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165899695.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 130231133405 its reverse (504331132031), we get a palindrome (634562265436).

The spelling of 130231133405 in words is "one hundred thirty billion, two hundred thirty-one million, one hundred thirty-three thousand, four hundred five".