231214783 has 2 divisors, whose sum is σ = 231214784. Its totient is φ = 231214782.

The previous prime is 231214769. The next prime is 231214793. The reversal of 231214783 is 387412132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231214783 - 2⁹ = 231214271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231214723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115607391 + 115607392.

It is an arithmetic number, because the mean of its divisors is an integer number (115607392).

Almost surely, 2^231214783 is an apocalyptic number.

231214783 is a deficient number, since it is larger than the sum of its proper divisors (1).

231214783 is an equidigital number, since it uses as much as digits as its factorization.

231214783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 231214783 is about 15205.7483538299. The cubic root of 231214783 is about 613.7693530095.

The spelling of 231214783 in words is "two hundred thirty-one million, two hundred fourteen thousand, seven hundred eighty-three".