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42131142301 = 4347129716073
BaseRepresentation
bin100111001111001101…
…100011011010011101
311000202012011210010211
4213033031203122131
51142241033023201
631204344332421
73021022541443
oct471715433235
9130665153124
1042131142301
111695aa27876
1281b9774111
133c85755301
142079642b93
151168b51651
hex9cf36369d

42131142301 has 16 divisors (see below), whose sum is σ = 44064877824. Its totient is φ = 40242230784.

The previous prime is 42131142299. The next prime is 42131142307. The reversal of 42131142301 is 10324113124.

It is a cyclic number.

It is not a de Polignac number, because 42131142301 - 21 = 42131142299 is a prime.

It is a super-2 number, since 2×421311423012 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42131142307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2613201 + ... + 2629273.

It is an arithmetic number, because the mean of its divisors is an integer number (2754054864).

Almost surely, 242131142301 is an apocalyptic number.

It is an amenable number.

42131142301 is a deficient number, since it is larger than the sum of its proper divisors (1933735523).

42131142301 is a wasteful number, since it uses less digits than its factorization.

42131142301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17460.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 42131142301 its reverse (10324113124), we get a palindrome (52455255425).

The spelling of 42131142301 in words is "forty-two billion, one hundred thirty-one million, one hundred forty-two thousand, three hundred one".

Divisors: 1 43 47 1297 2021 16073 55771 60959 691139 755431 2621237 20846681 32483533 896407283 979794007 42131142301