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2431120231 is a prime number
BaseRepresentation
bin1001000011100111…
…1111001101100111
320021102120201000001
42100321333031213
514434331321411
61041123202131
7114150116041
oct22071771547
96242521001
102431120231
111038338681
1257a216347
132c98937a7
14190c40a91
15e3671dc1
hex90e7f367

2431120231 has 2 divisors, whose sum is σ = 2431120232. Its totient is φ = 2431120230.

The previous prime is 2431120177. The next prime is 2431120247. The reversal of 2431120231 is 1320211342.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2431120231 - 27 = 2431120103 is a prime.

It is a super-2 number, since 2×24311202312 = 11820691155154986722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2431120199 and 2431120208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2431120271) 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, 1215560115 + 1215560116.

It is an arithmetic number, because the mean of its divisors is an integer number (1215560116).

Almost surely, 22431120231 is an apocalyptic number.

2431120231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2431120231 is an equidigital number, since it uses as much as digits as its factorization.

2431120231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2431120231 is about 49306.3913808342. The cubic root of 2431120231 is about 1344.6279851720.

Adding to 2431120231 its reverse (1320211342), we get a palindrome (3751331573).

The spelling of 2431120231 in words is "two billion, four hundred thirty-one million, one hundred twenty thousand, two hundred thirty-one".