231927049 has 2 divisors, whose sum is σ = 231927050. Its totient is φ = 231927048.

The previous prime is 231927029. The next prime is 231927169. The reversal of 231927049 is 940729132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211179024 + 20748025 = 14532^2 + 4555^2 .

It is a cyclic number.

It is not a de Polignac number, because 231927049 - 2⁹ = 231926537 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 231926999 and 231927017.

It is not a weakly prime, because it can be changed into another prime (231927029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115963524 + 115963525.

It is an arithmetic number, because the mean of its divisors is an integer number (115963525).

Almost surely, 2^231927049 is an apocalyptic number.

It is an amenable number.

231927049 is a deficient number, since it is larger than the sum of its proper divisors (1).

231927049 is an equidigital number, since it uses as much as digits as its factorization.

231927049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 231927049 is about 15229.1512895499. The cubic root of 231927049 is about 614.3989536197.

The spelling of 231927049 in words is "two hundred thirty-one million, nine hundred twenty-seven thousand, forty-nine".