213455014231 has 2 divisors, whose sum is σ = 213455014232. Its totient is φ = 213455014230.

The previous prime is 213455014211. The next prime is 213455014291. The reversal of 213455014231 is 132410554312.

213455014231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213455014231 - 2⁹ = 213455013719 is a prime.

It is a super-2 number, since 2×213455014231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213455014193 and 213455014202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213455014211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106727507115 + 106727507116.

It is an arithmetic number, because the mean of its divisors is an integer number (106727507116).

Almost surely, 2^213455014231 is an apocalyptic number.

213455014231 is a deficient number, since it is larger than the sum of its proper divisors (1).

213455014231 is an equidigital number, since it uses as much as digits as its factorization.

213455014231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 213455014231 its reverse (132410554312), we get a palindrome (345865568543).

The spelling of 213455014231 in words is "two hundred thirteen billion, four hundred fifty-five million, fourteen thousand, two hundred thirty-one".