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3214381381 is a prime number
BaseRepresentation
bin1011111110010111…
…1001000101000101
322022000102111022021
42333211321011011
523040340201011
61250543203141
7142440535201
oct27745710505
98260374267
103214381381
1113aa486342
127585a64b1
133c2c35723
14226c8db01
1513c2de471
hexbf979145

3214381381 has 2 divisors, whose sum is σ = 3214381382. Its totient is φ = 3214381380.

The previous prime is 3214381363. The next prime is 3214381393. The reversal of 3214381381 is 1831834123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1913625025 + 1300756356 = 43745^2 + 36066^2 .

It is a cyclic number.

It is not a de Polignac number, because 3214381381 - 219 = 3213857093 is a prime.

It is a super-2 number, since 2×32143813812 = 20664495325038934322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3214301381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607190690 + 1607190691.

It is an arithmetic number, because the mean of its divisors is an integer number (1607190691).

Almost surely, 23214381381 is an apocalyptic number.

It is an amenable number.

3214381381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3214381381 is an equidigital number, since it uses as much as digits as its factorization.

3214381381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 34.

The square root of 3214381381 is about 56695.5146462222. The cubic root of 3214381381 is about 1475.8168614869.

The spelling of 3214381381 in words is "three billion, two hundred fourteen million, three hundred eighty-one thousand, three hundred eighty-one".