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881101213 is a prime number
BaseRepresentation
bin110100100001001…
…000100110011101
32021101221120122021
4310201020212131
53301030214323
6223233020141
730556144126
oct6441104635
92241846567
10881101213
114123a4423
122070b4651
1311070a585
148503b04d
155254705d
hex3484899d

881101213 has 2 divisors, whose sum is σ = 881101214. Its totient is φ = 881101212.

The previous prime is 881101159. The next prime is 881101241. The reversal of 881101213 is 312101188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 881021124 + 80089 = 29682^2 + 283^2 .

It is a cyclic number.

It is not a de Polignac number, because 881101213 - 213 = 881093021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (881101813) 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, 440550606 + 440550607.

It is an arithmetic number, because the mean of its divisors is an integer number (440550607).

Almost surely, 2881101213 is an apocalyptic number.

It is an amenable number.

881101213 is a deficient number, since it is larger than the sum of its proper divisors (1).

881101213 is an equidigital number, since it uses as much as digits as its factorization.

881101213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 881101213 is about 29683.3490866513. The cubic root of 881101213 is about 958.6835300830.

Subtracting from 881101213 its sum of digits (25), we obtain a palindrome (881101188).

The spelling of 881101213 in words is "eight hundred eighty-one million, one hundred one thousand, two hundred thirteen".