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2431311479 is a prime number
BaseRepresentation
bin1001000011101010…
…1101111001110111
320021102221102100022
42100322231321313
514434403431404
61041131235355
7114151543442
oct22072557167
96242842308
102431311479
111038459333
1257a2a8b5b
132c992c85c
14190c90659
15e36ad8be
hex90eade77

2431311479 has 2 divisors, whose sum is σ = 2431311480. Its totient is φ = 2431311478.

The previous prime is 2431311473. The next prime is 2431311527. The reversal of 2431311479 is 9741131342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2431311479 - 220 = 2430262903 is a prime.

It is a super-2 number, since 2×24313114792 = 11822551015834334882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2431311473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215655739 + 1215655740.

It is an arithmetic number, because the mean of its divisors is an integer number (1215655740).

Almost surely, 22431311479 is an apocalyptic number.

2431311479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2431311479 is an equidigital number, since it uses as much as digits as its factorization.

2431311479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 2431311479 is about 49308.3307261562. The cubic root of 2431311479 is about 1344.6632433583.

The spelling of 2431311479 in words is "two billion, four hundred thirty-one million, three hundred eleven thousand, four hundred seventy-nine".