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23144142031 is a prime number
BaseRepresentation
bin10101100011011111…
…111001010011001111
32012201221210020021121
4111203133321103033
5334344400021111
614344323141411
71446350650513
oct254337712317
965657706247
1023144142031
1198a72a050a
12459ab14867
13224abb98ca
141197ad0143
15906cd3871
hex5637f94cf

23144142031 has 2 divisors, whose sum is σ = 23144142032. Its totient is φ = 23144142030.

The previous prime is 23144142011. The next prime is 23144142089. The reversal of 23144142031 is 13024144132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23144142031 - 27 = 23144141903 is a prime.

It is a super-2 number, since 2×231441420312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23144141987 and 23144142005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23144142011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11572071015 + 11572071016.

It is an arithmetic number, because the mean of its divisors is an integer number (11572071016).

Almost surely, 223144142031 is an apocalyptic number.

23144142031 is a deficient number, since it is larger than the sum of its proper divisors (1).

23144142031 is an equidigital number, since it uses as much as digits as its factorization.

23144142031 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 25.

Adding to 23144142031 its reverse (13024144132), we get a palindrome (36168286163).

The spelling of 23144142031 in words is "twenty-three billion, one hundred forty-four million, one hundred forty-two thousand, thirty-one".