231041651 has 4 divisors (see below), whose sum is σ = 232238952. Its totient is φ = 229844352.

The previous prime is 231041633. The next prime is 231041663. The reversal of 231041651 is 156140132.

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 231041651 - 2²² = 226847347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231041621) 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, 598361 + ... + 598746.

It is an arithmetic number, because the mean of its divisors is an integer number (58059738).

Almost surely, 2^231041651 is an apocalyptic number.

231041651 is a deficient number, since it is larger than the sum of its proper divisors (1197301).

231041651 is a wasteful number, since it uses less digits than its factorization.

231041651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197300.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 231041651 is about 15200.0543091135. The cubic root of 231041651 is about 613.6161193677.

Adding to 231041651 its reverse (156140132), we get a palindrome (387181783).

The spelling of 231041651 in words is "two hundred thirty-one million, forty-one thousand, six hundred fifty-one".