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2230131001 = 7292378823
BaseRepresentation
bin1000010011101101…
…0001100100111001
312202102101101121111
42010323101210321
514031403143001
61005143240321
7106156541440
oct20473214471
95672341544
102230131001
11a4493a47a
12522a490a1
13297051157
14172281d57
15d0bbe851
hex84ed1939

2230131001 has 12 divisors (see below), whose sum is σ = 2639645632. Its totient is φ = 1845620784.

The previous prime is 2230130993. The next prime is 2230131011. The reversal of 2230131001 is 1001310322.

It is not a de Polignac number, because 2230131001 - 23 = 2230130993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2230131011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183525 + ... + 195298.

Almost surely, 22230131001 is an apocalyptic number.

It is an amenable number.

2230131001 is a deficient number, since it is larger than the sum of its proper divisors (409514631).

2230131001 is an equidigital number, since it uses as much as digits as its factorization.

2230131001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378888 (or 378859 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2230131001 is about 47224.2628423144. The cubic root of 2230131001 is about 1306.5021385916.

Adding to 2230131001 its reverse (1001310322), we get a palindrome (3231441323).

The spelling of 2230131001 in words is "two billion, two hundred thirty million, one hundred thirty-one thousand, one".

Divisors: 1 7 29 203 841 5887 378823 2651761 10985867 76901069 318590143 2230131001