945932831 has 4 divisors (see below), whose sum is σ = 954304032. Its totient is φ = 937561632.

The previous prime is 945932789. The next prime is 945932833. The reversal of 945932831 is 138239549.

945932831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-945932831 is a prime.

It is a super-2 number, since 2×945932831² = 1789577841527349122, 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 (945932833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4185431 + ... + 4185656.

It is an arithmetic number, because the mean of its divisors is an integer number (238576008).

Almost surely, 2^945932831 is an apocalyptic number.

945932831 is a deficient number, since it is larger than the sum of its proper divisors (8371201).

945932831 is a wasteful number, since it uses less digits than its factorization.

945932831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8371200.

The product of its digits is 233280, while the sum is 44.

The square root of 945932831 is about 30756.0210527955. The cubic root of 945932831 is about 981.6426812669.

The spelling of 945932831 in words is "nine hundred forty-five million, nine hundred thirty-two thousand, eight hundred thirty-one".