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42054124331 is a prime number
BaseRepresentation
bin100111001010100111…
…110000001100101011
311000112211020212100102
4213022213300030223
51142111323434311
631152553500015
73016066105322
oct471247601453
9130484225312
1042054124331
111692050305a
128197a1160b
133c727ca34b
14206d3150b9
151161edb43b
hex9ca9f032b

42054124331 has 2 divisors, whose sum is σ = 42054124332. Its totient is φ = 42054124330.

The previous prime is 42054124319. The next prime is 42054124349. The reversal of 42054124331 is 13342145024.

42054124331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42054124331 - 214 = 42054107947 is a prime.

It is a super-2 number, since 2×420541243312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42054124294 and 42054124303.

It is not a weakly prime, because it can be changed into another prime (42054124361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21027062165 + 21027062166.

It is an arithmetic number, because the mean of its divisors is an integer number (21027062166).

Almost surely, 242054124331 is an apocalyptic number.

42054124331 is a deficient number, since it is larger than the sum of its proper divisors (1).

42054124331 is an equidigital number, since it uses as much as digits as its factorization.

42054124331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 42054124331 its reverse (13342145024), we get a palindrome (55396269355).

The spelling of 42054124331 in words is "forty-two billion, fifty-four million, one hundred twenty-four thousand, three hundred thirty-one".