231213683 has 2 divisors, whose sum is σ = 231213684. Its totient is φ = 231213682.

The previous prime is 231213659. The next prime is 231213691. The reversal of 231213683 is 386312132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231213683 - 2¹⁴ = 231197299 is a prime.

It is not a weakly prime, because it can be changed into another prime (231213643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115606841 + 115606842.

It is an arithmetic number, because the mean of its divisors is an integer number (115606842).

Almost surely, 2^231213683 is an apocalyptic number.

231213683 is a deficient number, since it is larger than the sum of its proper divisors (1).

231213683 is an equidigital number, since it uses as much as digits as its factorization.

231213683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 231213683 is about 15205.7121832553. The cubic root of 231213683 is about 613.7683796759.

The spelling of 231213683 in words is "two hundred thirty-one million, two hundred thirteen thousand, six hundred eighty-three".