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1102231213 is a prime number
BaseRepresentation
bin100000110110010…
…1011011010101101
32211211001010222021
41001230223122231
54224132344323
6301212350141
736212545036
oct10154533255
92754033867
101102231213
115161a9696
12269175351
13147482425
14a655da8d
1566b7705d
hex41b2b6ad

1102231213 has 2 divisors, whose sum is σ = 1102231214. Its totient is φ = 1102231212.

The previous prime is 1102231199. The next prime is 1102231237. The reversal of 1102231213 is 3121322011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1083594724 + 18636489 = 32918^2 + 4317^2 .

It is an emirp because it is prime and its reverse (3121322011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1102231213 - 225 = 1068676781 is a prime.

It is a super-2 number, since 2×11022312132 = 2429827293822902738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102231253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551115606 + 551115607.

It is an arithmetic number, because the mean of its divisors is an integer number (551115607).

Almost surely, 21102231213 is an apocalyptic number.

It is an amenable number.

1102231213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102231213 is an equidigital number, since it uses as much as digits as its factorization.

1102231213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1102231213 is about 33199.8676653989. The cubic root of 1102231213 is about 1032.9775946350.

Adding to 1102231213 its reverse (3121322011), we get a palindrome (4223553224).

The spelling of 1102231213 in words is "one billion, one hundred two million, two hundred thirty-one thousand, two hundred thirteen".