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144031031 is a prime number
BaseRepresentation
bin10001001010110…
…11110100110111
3101001000112102122
420211123310313
5243332443111
622143030155
73366146354
oct1045336467
9331015378
10144031031
1174335711
124029b35b
1323abc081
14151b362b
15c9a0cdb
hex895bd37

144031031 has 2 divisors, whose sum is σ = 144031032. Its totient is φ = 144031030.

The previous prime is 144031003. The next prime is 144031033. The reversal of 144031031 is 130130441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144031031 - 26 = 144030967 is a prime.

It is a super-2 number, since 2×1440310312 = 41489875781845922, which contains 22 as substring.

Together with 144031033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144031033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72015515 + 72015516.

It is an arithmetic number, because the mean of its divisors is an integer number (72015516).

Almost surely, 2144031031 is an apocalyptic number.

144031031 is a deficient number, since it is larger than the sum of its proper divisors (1).

144031031 is an equidigital number, since it uses as much as digits as its factorization.

144031031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 144031031 is about 12001.2928886850. The cubic root of 144031031 is about 524.1859262424.

Adding to 144031031 its reverse (130130441), we get a palindrome (274161472).

The spelling of 144031031 in words is "one hundred forty-four million, thirty-one thousand, thirty-one".