831224901 has 32 divisors (see below), whose sum is σ = 1258915840. Its totient is φ = 483620544.

The previous prime is 831224897. The next prime is 831224921. The reversal of 831224901 is 109422138.

831224901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 831224901 - 2² = 831224897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831224921) 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, 537936 + ... + 539478.

It is an arithmetic number, because the mean of its divisors is an integer number (39341120).

Almost surely, 2^831224901 is an apocalyptic number.

It is an amenable number.

831224901 is a deficient number, since it is larger than the sum of its proper divisors (427690939).

831224901 is a wasteful number, since it uses less digits than its factorization.

831224901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 831224901 is about 28830.9712115288. The cubic root of 831224901 is about 940.2417142844.

The spelling of 831224901 in words is "eight hundred thirty-one million, two hundred twenty-four thousand, nine hundred one".