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143110431 = 3215901159
BaseRepresentation
bin10001000011110…
…11000100011111
3100222021202121100
420201323010133
5243114013211
622111204143
73355263402
oct1041730437
9328252540
10143110431
1173866a92
123bb16653
1323859039
1415013d39
15c86d156
hex887b11f

143110431 has 6 divisors (see below), whose sum is σ = 206715080. Its totient is φ = 95406948.

The previous prime is 143110423. The next prime is 143110433. The reversal of 143110431 is 134011341.

143110431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143110431 - 23 = 143110423 is a prime.

It is a super-2 number, since 2×1431104312 = 40961190922011522, which 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 (143110433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7950571 + ... + 7950588.

Almost surely, 2143110431 is an apocalyptic number.

143110431 is a deficient number, since it is larger than the sum of its proper divisors (63604649).

143110431 is a wasteful number, since it uses less digits than its factorization.

143110431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15901165 (or 15901162 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 143110431 is about 11962.8772040843. The cubic root of 143110431 is about 523.0667290772.

Adding to 143110431 its reverse (134011341), we get a palindrome (277121772).

The spelling of 143110431 in words is "one hundred forty-three million, one hundred ten thousand, four hundred thirty-one".

Divisors: 1 3 9 15901159 47703477 143110431