9730438131 has 16 divisors (see below), whose sum is σ = 13395092480. Its totient is φ = 6276454560.

The previous prime is 9730438127. The next prime is 9730438171. The reversal of 9730438131 is 1318340379.

It is a happy number.

It is not a de Polignac number, because 9730438131 - 2² = 9730438127 is a prime.

It is a super-2 number, since 2×9730438131² (a number of 21 digits) 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 9730438131.

It is not an unprimeable number, because it can be changed into a prime (9730438171) 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, 788001 + ... + 800253.

It is an arithmetic number, because the mean of its divisors is an integer number (837193280).

Almost surely, 2^9730438131 is an apocalyptic number.

9730438131 is a deficient number, since it is larger than the sum of its proper divisors (3664654349).

9730438131 is a wasteful number, since it uses less digits than its factorization.

9730438131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20826.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 9730438131 is about 98642.9831817753. The cubic root of 9730438131 is about 2134.8996459877.

The spelling of 9730438131 in words is "nine billion, seven hundred thirty million, four hundred thirty-eight thousand, one hundred thirty-one".