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342013351531 = 1720118432443
BaseRepresentation
bin1001111101000011001…
…01011001011001101011
31012200210111110102022211
410332201211121121223
521100420404222111
6421041353025551
733465260343565
oct4764145313153
91180714412284
10342013351531
11122057691125
125634b6b52b7
1326337051727
14127a6c82335
158d6ace4521
hex4fa195966b

342013351531 has 4 divisors (see below), whose sum is σ = 362131783992. Its totient is φ = 321894919072.

The previous prime is 342013351523. The next prime is 342013351597. The reversal of 342013351531 is 135153310243.

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 342013351531 - 23 = 342013351523 is a prime.

It is a super-2 number, since 2×3420133515312 (a number of 24 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 = 342013351493 and 342013351502.

It is not an unprimeable number, because it can be changed into a prime (342013354531) 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, 10059216205 + ... + 10059216238.

It is an arithmetic number, because the mean of its divisors is an integer number (90532945998).

Almost surely, 2342013351531 is an apocalyptic number.

342013351531 is a deficient number, since it is larger than the sum of its proper divisors (20118432461).

342013351531 is a wasteful number, since it uses less digits than its factorization.

342013351531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20118432460.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 342013351531 its reverse (135153310243), we get a palindrome (477166661774).

The spelling of 342013351531 in words is "three hundred forty-two billion, thirteen million, three hundred fifty-one thousand, five hundred thirty-one".

Divisors: 1 17 20118432443 342013351531