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32002144231 is a prime number
BaseRepresentation
bin11101110011011110…
…011111011111100111
310001121021200100221011
4131303132133133213
51011020022103411
622411313003051
72212020511021
oct356336373747
9101537610834
1032002144231
1112632415692
126251553487
133030110425
141798301011
15c747b1c21
hex77379f7e7

32002144231 has 2 divisors, whose sum is σ = 32002144232. Its totient is φ = 32002144230.

The previous prime is 32002144189. The next prime is 32002144253. The reversal of 32002144231 is 13244120023.

It is an a-pointer prime, because the next prime (32002144253) can be obtained adding 32002144231 to its sum of digits (22).

It is a strong prime.

It is an emirp because it is prime and its reverse (13244120023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32002144231 - 27 = 32002144103 is a prime.

It is a super-2 number, since 2×320021442312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32002144331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16001072115 + 16001072116.

It is an arithmetic number, because the mean of its divisors is an integer number (16001072116).

Almost surely, 232002144231 is an apocalyptic number.

32002144231 is a deficient number, since it is larger than the sum of its proper divisors (1).

32002144231 is an equidigital number, since it uses as much as digits as its factorization.

32002144231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 32002144231 its reverse (13244120023), we get a palindrome (45246264254).

The spelling of 32002144231 in words is "thirty-two billion, two million, one hundred forty-four thousand, two hundred thirty-one".