9712031428 has 96 divisors (see below), whose sum is σ = 20175547392. Its totient is φ = 4045641600.

The previous prime is 9712031423. The next prime is 9712031437. The reversal of 9712031428 is 8241302179.

It is not an unprimeable number, because it can be changed into a prime (9712031423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2304243 + ... + 2308453.

It is an arithmetic number, because the mean of its divisors is an integer number (210161952).

Almost surely, 2^9712031428 is an apocalyptic number.

It is an amenable number.

9712031428 is an abundant number, since it is smaller than the sum of its proper divisors (10463515964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9712031428 is a wasteful number, since it uses less digits than its factorization.

9712031428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345 (or 4343 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 9712031428 is about 98549.6394108066. The cubic root of 9712031428 is about 2133.5526265350.

The spelling of 9712031428 in words is "nine billion, seven hundred twelve million, thirty-one thousand, four hundred twenty-eight".