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11414331431 = 13187132301
BaseRepresentation
bin10101010000101100…
…01110000000100111
31002110111002010002222
422220112032000213
5141334032101211
65124344422555
7552600134126
oct125026160047
932414063088
1011414331431
114928102168
122266777a5b
1310cba16189
147a3d25abd
1546c1341db
hex2a858e027

11414331431 has 4 divisors (see below), whose sum is σ = 11501463864. Its totient is φ = 11327199000.

The previous prime is 11414331421. The next prime is 11414331457. The reversal of 11414331431 is 13413341411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11414331431 - 26 = 11414331367 is a prime.

It is a super-2 number, since 2×114143314312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11414331431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11414331421) 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, 43566020 + ... + 43566281.

It is an arithmetic number, because the mean of its divisors is an integer number (2875365966).

Almost surely, 211414331431 is an apocalyptic number.

11414331431 is a deficient number, since it is larger than the sum of its proper divisors (87132433).

11414331431 is an equidigital number, since it uses as much as digits as its factorization.

11414331431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87132432.

The product of its digits is 1728, while the sum is 26.

Adding to 11414331431 its reverse (13413341411), we get a palindrome (24827672842).

The spelling of 11414331431 in words is "eleven billion, four hundred fourteen million, three hundred thirty-one thousand, four hundred thirty-one".

Divisors: 1 131 87132301 11414331431