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3231220201 = 111971491103
BaseRepresentation
bin1100000010011000…
…1000000111101001
322100012002222211021
43000212020013221
523104143021301
61252344132441
7143033630026
oct30046100751
98305088737
103231220201
111408a37620
12762167121
133c6580021
142291d454d
1513da188a1
hexc09881e9

3231220201 has 8 divisors (see below), whose sum is σ = 3542863104. Its totient is φ = 2922559920.

The previous prime is 3231220183. The next prime is 3231220211. The reversal of 3231220201 is 1020221323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3231220201 - 217 = 3231089129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3231220211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743385 + ... + 747718.

It is an arithmetic number, because the mean of its divisors is an integer number (442857888).

Almost surely, 23231220201 is an apocalyptic number.

It is an amenable number.

3231220201 is a deficient number, since it is larger than the sum of its proper divisors (311642903).

3231220201 is a wasteful number, since it uses less digits than its factorization.

3231220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491311.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3231220201 is about 56843.8228922018. The cubic root of 3231220201 is about 1478.3894400180.

Adding to 3231220201 its reverse (1020221323), we get a palindrome (4251441524).

The spelling of 3231220201 in words is "three billion, two hundred thirty-one million, two hundred twenty thousand, two hundred one".

Divisors: 1 11 197 2167 1491103 16402133 293747291 3231220201