Search a number
-
+
302340111031 = 743191444433
BaseRepresentation
bin1000110011001001101…
…11111111101010110111
31001220101121020222121001
410121210313333222313
514423143032023111
6350520525504131
730562161353440
oct4314467775267
91056347228531
10302340111031
11107249124362
124a719112047
13226838a8caa
14108c1c522c7
157ce7d551c1
hex4664dffab7

302340111031 has 4 divisors (see below), whose sum is σ = 345531555472. Its totient is φ = 259148666592.

The previous prime is 302340111023. The next prime is 302340111071. The reversal of 302340111031 is 130111043203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130111043203 = 1229105867407.

It is a cyclic number.

It is not a de Polignac number, because 302340111031 - 23 = 302340111023 is a prime.

It is a super-2 number, since 2×3023401110312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302340111071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21595722210 + ... + 21595722223.

It is an arithmetic number, because the mean of its divisors is an integer number (86382888868).

Almost surely, 2302340111031 is an apocalyptic number.

302340111031 is a deficient number, since it is larger than the sum of its proper divisors (43191444441).

302340111031 is an equidigital number, since it uses as much as digits as its factorization.

302340111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43191444440.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 302340111031 its reverse (130111043203), we get a palindrome (432451154234).

The spelling of 302340111031 in words is "three hundred two billion, three hundred forty million, one hundred eleven thousand, thirty-one".

Divisors: 1 7 43191444433 302340111031