Search a number
-
+
2330220031 = 179129710037
BaseRepresentation
bin1000101011100100…
…0101010111111111
320000101201102221121
42022321011113333
514233014020111
61023120411411
7111513354256
oct21271052777
96011642847
102330220031
11a96391887
12550476b67
132b19c6329
1418169779d
15d9890871
hex8ae455ff

2330220031 has 8 divisors (see below), whose sum is σ = 2345278320. Its totient is φ = 2315184768.

The previous prime is 2330220023. The next prime is 2330220041. The reversal of 2330220031 is 1300220332.

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 2330220031 - 23 = 2330220023 is a prime.

It is a super-2 number, since 2×23302200312 = 10859850785747281922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2330219987 and 2330220014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2330220041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227145 + ... + 237181.

It is an arithmetic number, because the mean of its divisors is an integer number (293159790).

Almost surely, 22330220031 is an apocalyptic number.

2330220031 is a deficient number, since it is larger than the sum of its proper divisors (15058289).

2330220031 is a wasteful number, since it uses less digits than its factorization.

2330220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11513.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2330220031 is about 48272.3526565673. The cubic root of 2330220031 is about 1325.7622349256.

Adding to 2330220031 its reverse (1300220332), we get a palindrome (3630440363).

The spelling of 2330220031 in words is "two billion, three hundred thirty million, two hundred twenty thousand, thirty-one".

Divisors: 1 179 1297 10037 232163 1796623 13017989 2330220031