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144406021031 is a prime number
BaseRepresentation
bin1000011001111101000…
…1010000001110100111
3111210201220101221100022
42012133101100032213
54331220420133111
6150201134105355
713301341632446
oct2063721201647
9453656357308
10144406021031
1156273485a38
1223ba134b25b
131080465272c
146dbc872d5d
153b529492db
hex219f4503a7

144406021031 has 2 divisors, whose sum is σ = 144406021032. Its totient is φ = 144406021030.

The previous prime is 144406021009. The next prime is 144406021103. The reversal of 144406021031 is 130120604441.

It is a happy number.

Together with next prime (144406021103) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144406021031 - 214 = 144406004647 is a prime.

It is a super-2 number, since 2×1444060210312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144406021231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72203010515 + 72203010516.

It is an arithmetic number, because the mean of its divisors is an integer number (72203010516).

Almost surely, 2144406021031 is an apocalyptic number.

144406021031 is a deficient number, since it is larger than the sum of its proper divisors (1).

144406021031 is an equidigital number, since it uses as much as digits as its factorization.

144406021031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 144406021031 its reverse (130120604441), we get a palindrome (274526625472).

The spelling of 144406021031 in words is "one hundred forty-four billion, four hundred six million, twenty-one thousand, thirty-one".