213233330132857 has 2 divisors, whose sum is σ = 213233330132858. Its totient is φ = 213233330132856.

The previous prime is 213233330132833. The next prime is 213233330132899. The reversal of 213233330132857 is 758231033332312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142972455637881 + 70260874494976 = 11957109^2 + 8382176^2 .

It is a cyclic number.

It is not a de Polignac number, because 213233330132857 - 2¹¹ = 213233330130809 is a prime.

It is not a weakly prime, because it can be changed into another prime (213233330132807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106616665066428 + 106616665066429.

It is an arithmetic number, because the mean of its divisors is an integer number (106616665066429).

Almost surely, 2^{213233330132857} is an apocalyptic number.

It is an amenable number.

213233330132857 is a deficient number, since it is larger than the sum of its proper divisors (1).

213233330132857 is an equidigital number, since it uses as much as digits as its factorization.

213233330132857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 46.

The spelling of 213233330132857 in words is "two hundred thirteen trillion, two hundred thirty-three billion, three hundred thirty million, one hundred thirty-two thousand, eight hundred fifty-seven".