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10013143431 = 319175669183
BaseRepresentation
bin10010101001101010…
…00111000110000111
3221211211111101112010
421110311013012013
5131001331042211
64333332225303
7503064212664
oct112465070607
927754441463
1010013143431
114279181955
121b3546b233
13c3763ca55
146adbc4a6b
153d91074a6
hex254d47187

10013143431 has 8 divisors (see below), whose sum is σ = 14053534720. Its totient is φ = 6324090552.

The previous prime is 10013143421. The next prime is 10013143453. The reversal of 10013143431 is 13434131001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10013143431 - 27 = 10013143303 is a prime.

It is a super-2 number, since 2×100131434312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10013143398 and 10013143407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10013143421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87834535 + ... + 87834648.

It is an arithmetic number, because the mean of its divisors is an integer number (1756691840).

Almost surely, 210013143431 is an apocalyptic number.

10013143431 is a deficient number, since it is larger than the sum of its proper divisors (4040391289).

10013143431 is a wasteful number, since it uses less digits than its factorization.

10013143431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175669205.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 10013143431 its reverse (13434131001), we get a palindrome (23447274432).

The spelling of 10013143431 in words is "ten billion, thirteen million, one hundred forty-three thousand, four hundred thirty-one".

Divisors: 1 3 19 57 175669183 527007549 3337714477 10013143431