130631733 has 6 divisors (see below), whose sum is σ = 188690294. Its totient is φ = 87087816.

The previous prime is 130631681. The next prime is 130631741. The reversal of 130631733 is 337136031.

It can be written as a sum of positive squares in only one way, i.e., 114447204 + 16184529 = 10698^2 + 4023^2 .

It is not a de Polignac number, because 130631733 - 2¹⁴ = 130615349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130631697 and 130631706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130631233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7257310 + ... + 7257327.

Almost surely, 2^130631733 is an apocalyptic number.

It is an amenable number.

130631733 is a deficient number, since it is larger than the sum of its proper divisors (58058561).

130631733 is a wasteful number, since it uses less digits than its factorization.

130631733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14514643 (or 14514640 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 27.

The square root of 130631733 is about 11429.4240012347. The cubic root of 130631733 is about 507.3989483904.

Adding to 130631733 its reverse (337136031), we get a palindrome (467767764).

The spelling of 130631733 in words is "one hundred thirty million, six hundred thirty-one thousand, seven hundred thirty-three".