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11420131303 = 71631447329
BaseRepresentation
bin10101010001011000…
…10101111111100111
31002110212222210001001
422220230111333213
5141342023200203
65125113014131
7553000341310
oct125054257747
932425883031
1011420131303
114930403749
1222686b4347
1310ccc97059
147a49d5607
1546c8cc91d
hex2a8b15fe7

11420131303 has 4 divisors (see below), whose sum is σ = 13051578640. Its totient is φ = 9788683968.

The previous prime is 11420131291. The next prime is 11420131313. The reversal of 11420131303 is 30313102411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30313102411 = 30679883633.

It is not a de Polignac number, because 11420131303 - 25 = 11420131271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420131313) 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, 815723658 + ... + 815723671.

It is an arithmetic number, because the mean of its divisors is an integer number (3262894660).

Almost surely, 211420131303 is an apocalyptic number.

11420131303 is a deficient number, since it is larger than the sum of its proper divisors (1631447337).

11420131303 is an equidigital number, since it uses as much as digits as its factorization.

11420131303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631447336.

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

Adding to 11420131303 its reverse (30313102411), we get a palindrome (41733233714).

The spelling of 11420131303 in words is "eleven billion, four hundred twenty million, one hundred thirty-one thousand, three hundred three".

Divisors: 1 7 1631447329 11420131303