913229831 has 8 divisors (see below), whose sum is σ = 919616880. Its totient is φ = 906852672.

The previous prime is 913229797. The next prime is 913229879. The reversal of 913229831 is 138922319.

913229831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 913229831 - 2¹⁰ = 913228807 is a prime.

It is a super-2 number, since 2×913229831² = 1667977448456577122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913229131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333275 + ... + 336003.

It is an arithmetic number, because the mean of its divisors is an integer number (114952110).

Almost surely, 2^913229831 is an apocalyptic number.

913229831 is a deficient number, since it is larger than the sum of its proper divisors (6387049).

913229831 is a wasteful number, since it uses less digits than its factorization.

913229831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945.

The product of its digits is 23328, while the sum is 38.

The square root of 913229831 is about 30219.6927681272. The cubic root of 913229831 is about 970.1972288219.

The spelling of 913229831 in words is "nine hundred thirteen million, two hundred twenty-nine thousand, eight hundred thirty-one".