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2340145131 = 31576437727
BaseRepresentation
bin1000101101111011…
…1100011111101011
320001002101200121220
42023132330133223
514243034121011
61024113233123
7111663622362
oct21336743753
96032350556
102340145131
11aa0a50745
125538627a3
132b3a8ca7c
14182b1c7d9
15da6a1506
hex8b7bc7eb

2340145131 has 16 divisors (see below), whose sum is σ = 3145357824. Its totient is φ = 1547548704.

The previous prime is 2340145123. The next prime is 2340145139. The reversal of 2340145131 is 1315410432.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2340145123) and next prime (2340145139).

It is not a de Polignac number, because 2340145131 - 23 = 2340145123 is a prime.

It is a super-2 number, since 2×23401451312 = 10952558468286014322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2340145139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298990 + ... + 306716.

It is an arithmetic number, because the mean of its divisors is an integer number (196584864).

Almost surely, 22340145131 is an apocalyptic number.

2340145131 is a deficient number, since it is larger than the sum of its proper divisors (805212693).

2340145131 is a wasteful number, since it uses less digits than its factorization.

2340145131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8530.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2340145131 is about 48375.0465736210. The cubic root of 2340145131 is about 1327.6418407036.

Adding to 2340145131 its reverse (1315410432), we get a palindrome (3655555563).

The spelling of 2340145131 in words is "two billion, three hundred forty million, one hundred forty-five thousand, one hundred thirty-one".

Divisors: 1 3 157 471 643 1929 7727 23181 100951 302853 1213139 3639417 4968461 14905383 780048377 2340145131