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142144414431031 is a prime number
BaseRepresentation
bin100000010100011110010011…
…010101000011011100110111
3200122021212120122022121021001
4200110132103111003130313
5122112343230043243111
61222152124214304131
741640411046144555
oct4024362325033467
9618255518277231
10142144414431031
1141323120281581
1213b38658958047
13614121228040c
142715b7d79cbd5
151167780a251c1
hex814793543737

142144414431031 has 2 divisors, whose sum is σ = 142144414431032. Its totient is φ = 142144414431030.

The previous prime is 142144414431029. The next prime is 142144414431059. The reversal of 142144414431031 is 130134414441241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142144414431031 - 21 = 142144414431029 is a prime.

It is a super-2 number, since 2×1421444144310312 (a number of 29 digits) contains 22 as substring.

Together with 142144414431029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142144414831031) 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 as a sum of consecutive naturals, namely, 71072207215515 + 71072207215516.

It is an arithmetic number, because the mean of its divisors is an integer number (71072207215516).

Almost surely, 2142144414431031 is an apocalyptic number.

142144414431031 is a deficient number, since it is larger than the sum of its proper divisors (1).

142144414431031 is an equidigital number, since it uses as much as digits as its factorization.

142144414431031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 37.

Adding to 142144414431031 its reverse (130134414441241), we get a palindrome (272278828872272).

The spelling of 142144414431031 in words is "one hundred forty-two trillion, one hundred forty-four billion, four hundred fourteen million, four hundred thirty-one thousand, thirty-one".