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10103411431 = 27137281961
BaseRepresentation
bin10010110100011010…
…11101001011100111
3222002010100110221101
421122031131023213
5131142433131211
64350315100531
7505241403001
oct113215351347
928063313841
1010103411431
114315126603
121b5b741747
13c50256979
146bbba1371
153e1ed85c1
hex25a35d2e7

10103411431 has 4 divisors (see below), whose sum is σ = 10140693664. Its totient is φ = 10066129200.

The previous prime is 10103411393. The next prime is 10103411459. The reversal of 10103411431 is 13411430101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13411430101 = 17788907653.

It is a cyclic number.

It is not a de Polignac number, because 10103411431 - 217 = 10103280359 is a prime.

It is a super-2 number, since 2×101034114312 (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 = 10103411399 and 10103411408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103417431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18640710 + ... + 18641251.

It is an arithmetic number, because the mean of its divisors is an integer number (2535173416).

Almost surely, 210103411431 is an apocalyptic number.

10103411431 is a deficient number, since it is larger than the sum of its proper divisors (37282233).

10103411431 is an equidigital number, since it uses as much as digits as its factorization.

10103411431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37282232.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10103411431 its reverse (13411430101), we get a palindrome (23514841532).

The spelling of 10103411431 in words is "ten billion, one hundred three million, four hundred eleven thousand, four hundred thirty-one".

Divisors: 1 271 37281961 10103411431