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42030324031 = 297114146861
BaseRepresentation
bin100111001001001100…
…111101100100111111
311000111011110200110211
4213021030331210333
51142034230332111
631150343413251
73015356600563
oct471114754477
9130434420424
1042030324031
1116909027593
12818ba54227
133c6a8b6227
14206a0bb6a3
15115ed89521
hex9c933d93f

42030324031 has 4 divisors (see below), whose sum is σ = 42044473864. Its totient is φ = 42016174200.

The previous prime is 42030324013. The next prime is 42030324073. The reversal of 42030324031 is 13042303024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42030324031 - 213 = 42030315839 is a prime.

It is a super-2 number, since 2×420303240312 (a number of 22 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 = 42030323993 and 42030324011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42030324001) 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, 7070460 + ... + 7076401.

It is an arithmetic number, because the mean of its divisors is an integer number (10511118466).

Almost surely, 242030324031 is an apocalyptic number.

42030324031 is a deficient number, since it is larger than the sum of its proper divisors (14149833).

42030324031 is a wasteful number, since it uses less digits than its factorization.

42030324031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14149832.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 42030324031 its reverse (13042303024), we get a palindrome (55072627055).

The spelling of 42030324031 in words is "forty-two billion, thirty million, three hundred twenty-four thousand, thirty-one".

Divisors: 1 2971 14146861 42030324031