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10445315131 = 41112540821
BaseRepresentation
bin10011011101001011…
…01101110000111011
3222221221200222122101
421232211231300323
5132343000041011
64444251204231
7516562466536
oct115645556073
928857628571
1010445315131
114480120949
122036146677
13ca6036954
14711361a1d
154120232c1
hex26e96dc3b

10445315131 has 4 divisors (see below), whose sum is σ = 10447860064. Its totient is φ = 10442770200.

The previous prime is 10445315123. The next prime is 10445315137. The reversal of 10445315131 is 13151354401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13151354401 = 38933808109.

It is a cyclic number.

It is not a de Polignac number, because 10445315131 - 23 = 10445315123 is a prime.

It is a super-2 number, since 2×104453151312 (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 10445315131.

It is not an unprimeable number, because it can be changed into a prime (10445315137) 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, 1266300 + ... + 1274521.

It is an arithmetic number, because the mean of its divisors is an integer number (2611965016).

Almost surely, 210445315131 is an apocalyptic number.

10445315131 is a deficient number, since it is larger than the sum of its proper divisors (2544933).

10445315131 is an equidigital number, since it uses as much as digits as its factorization.

10445315131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544932.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 10445315131 its reverse (13151354401), we get a palindrome (23596669532).

The spelling of 10445315131 in words is "ten billion, four hundred forty-five million, three hundred fifteen thousand, one hundred thirty-one".

Divisors: 1 4111 2540821 10445315131