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10442413031 = 19354105767
BaseRepresentation
bin10011011100110101…
…01001001111100111
3222221202020112201012
421232122221033213
5132341224204111
64444105052435
7516526021601
oct115632511747
928852215635
1010442413031
114479519516
12203518711b
13ca555ba2b
14710c08171
15411b4d48b
hex26e6a93e7

10442413031 has 4 divisors (see below), whose sum is σ = 10496518992. Its totient is φ = 10388307072.

The previous prime is 10442412971. The next prime is 10442413049. The reversal of 10442413031 is 13031424401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13031424401 = 44563292427.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10442413031 is a prime.

It is a super-2 number, since 2×104424130312 (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 = 10442412988 and 10442413006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10442413231) 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, 27052691 + ... + 27053076.

It is an arithmetic number, because the mean of its divisors is an integer number (2624129748).

Almost surely, 210442413031 is an apocalyptic number.

10442413031 is a deficient number, since it is larger than the sum of its proper divisors (54105961).

10442413031 is an equidigital number, since it uses as much as digits as its factorization.

10442413031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54105960.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 10442413031 its reverse (13031424401), we get a palindrome (23473837432).

The spelling of 10442413031 in words is "ten billion, four hundred forty-two million, four hundred thirteen thousand, thirty-one".

Divisors: 1 193 54105767 10442413031