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242351405031 = 3471718804291
BaseRepresentation
bin1110000110110101000…
…1001111011111100111
3212011112212220222022010
43201231101033133213
512432313424430111
6303200143405303
723336456645031
oct3415521173747
9764485828263
10242351405031
119386506068a
123ab76bb3833
1319b135a4658
14ba30a9cc51
1564865d3aa6
hex386d44f7e7

242351405031 has 8 divisors (see below), whose sum is σ = 330010424064. Its totient is φ = 158129994680.

The previous prime is 242351405003. The next prime is 242351405063. The reversal of 242351405031 is 130504153242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-242351405031 is a prime.

It is a super-2 number, since 2×2423514050312 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242351405031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242351403031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859402005 + ... + 859402286.

It is an arithmetic number, because the mean of its divisors is an integer number (41251303008).

Almost surely, 2242351405031 is an apocalyptic number.

242351405031 is a deficient number, since it is larger than the sum of its proper divisors (87659019033).

242351405031 is a wasteful number, since it uses less digits than its factorization.

242351405031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718804341.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 242351405031 its reverse (130504153242), we get a palindrome (372855558273).

The spelling of 242351405031 in words is "two hundred forty-two billion, three hundred fifty-one million, four hundred five thousand, thirty-one".

Divisors: 1 3 47 141 1718804291 5156412873 80783801677 242351405031