9628113231 has 24 divisors (see below), whose sum is σ = 15494379264. Its totient is φ = 5711063760.

The previous prime is 9628113227. The next prime is 9628113281. The reversal of 9628113231 is 1323118269.

9628113231 is a `hidden beast` number, since 9 + 628 + 1 + 1 + 3 + 23 + 1 = 666.

It is not a de Polignac number, because 9628113231 - 2² = 9628113227 is a prime.

It is a super-2 number, since 2×9628113231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9628113281) 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 23 ways as a sum of consecutive naturals, for example, 1029961 + ... + 1039266.

It is an arithmetic number, because the mean of its divisors is an integer number (645599136).

Almost surely, 2^9628113231 is an apocalyptic number.

9628113231 is a deficient number, since it is larger than the sum of its proper divisors (5866266033).

9628113231 is a wasteful number, since it uses less digits than its factorization.

9628113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069291 (or 2069288 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 9628113231 is about 98122.9495632902. The cubic root of 9628113231 is about 2127.3897530051.

The spelling of 9628113231 in words is "nine billion, six hundred twenty-eight million, one hundred thirteen thousand, two hundred thirty-one".