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4231331431 is a prime number
BaseRepresentation
bin1111110000110100…
…1111111001100111
3101220212222220111221
43330031033321213
532131210101211
61535512041211
7206566503145
oct37415177147
911825886457
104231331431
111881526a28
129a1093207
13525828a12
142c1d70595
1519b71cc71
hexfc34fe67

4231331431 has 2 divisors, whose sum is σ = 4231331432. Its totient is φ = 4231331430.

The previous prime is 4231331389. The next prime is 4231331437. The reversal of 4231331431 is 1341331324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4231331431 - 29 = 4231330919 is a prime.

It is a super-2 number, since 2×42313314312 = 35808331357937015522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4231331396 and 4231331405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4231331437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115665715 + 2115665716.

It is an arithmetic number, because the mean of its divisors is an integer number (2115665716).

Almost surely, 24231331431 is an apocalyptic number.

4231331431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231331431 is an equidigital number, since it uses as much as digits as its factorization.

4231331431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 4231331431 is about 65048.6850827901. The cubic root of 4231331431 is about 1617.4306972466.

Adding to 4231331431 its reverse (1341331324), we get a palindrome (5572662755).

The spelling of 4231331431 in words is "four billion, two hundred thirty-one million, three hundred thirty-one thousand, four hundred thirty-one".