231071716 has 12 divisors (see below), whose sum is σ = 408086140. Its totient is φ = 114475680.

The previous prime is 231071713. The next prime is 231071717. The reversal of 231071716 is 617170132.

It can be written as a sum of positive squares in 2 ways, for example, as 198922816 + 32148900 = 14104^2 + 5670^2 .

It is not an unprimeable number, because it can be changed into a prime (231071713) 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, 264555 + ... + 265426.

Almost surely, 2^231071716 is an apocalyptic number.

It is an amenable number.

231071716 is a deficient number, since it is larger than the sum of its proper divisors (177014424).

231071716 is a wasteful number, since it uses less digits than its factorization.

231071716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530094 (or 530092 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 231071716 is about 15201.0432536718. The cubic root of 231071716 is about 613.6427344367.

The spelling of 231071716 in words is "two hundred thirty-one million, seventy-one thousand, seven hundred sixteen".