945713231 has 4 divisors (see below), whose sum is σ = 945841512. Its totient is φ = 945584952.

The previous prime is 945713203. The next prime is 945713243. The reversal of 945713231 is 132317549.

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

It is a cyclic number.

It is not a de Polignac number, because 945713231 - 2²⁶ = 878604367 is a prime.

It is a super-2 number, since 2×945713231² = 1788747030576918722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 945713191 and 945713200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945713261) 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, 52361 + ... + 68066.

It is an arithmetic number, because the mean of its divisors is an integer number (236460378).

Almost surely, 2^945713231 is an apocalyptic number.

945713231 is a deficient number, since it is larger than the sum of its proper divisors (128281).

945713231 is a wasteful number, since it uses less digits than its factorization.

945713231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128280.

The product of its digits is 22680, while the sum is 35.

The square root of 945713231 is about 30752.4508129027. The cubic root of 945713231 is about 981.5667120193.

The spelling of 945713231 in words is "nine hundred forty-five million, seven hundred thirteen thousand, two hundred thirty-one".