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2520332231 is a prime number
BaseRepresentation
bin1001011000111001…
…0011011111000111
320111122110010212012
42112032103133013
520130201112411
61054031244435
7116312320244
oct22616233707
96448403765
102520332231
1110837309aa
125a407971b
133121cab61
1419ca245cb
15eb3e518b
hex963937c7

2520332231 has 2 divisors, whose sum is σ = 2520332232. Its totient is φ = 2520332230.

The previous prime is 2520332207. The next prime is 2520332237. The reversal of 2520332231 is 1322330252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2520332231 - 230 = 1446590407 is a prime.

It is a super-2 number, since 2×25203322312 = 12704149109234874722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2520332197 and 2520332206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520332237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260166115 + 1260166116.

It is an arithmetic number, because the mean of its divisors is an integer number (1260166116).

Almost surely, 22520332231 is an apocalyptic number.

2520332231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520332231 is an equidigital number, since it uses as much as digits as its factorization.

2520332231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2520332231 is about 50202.9105829533. The cubic root of 2520332231 is about 1360.8782229524.

Adding to 2520332231 its reverse (1322330252), we get a palindrome (3842662483).

The spelling of 2520332231 in words is "two billion, five hundred twenty million, three hundred thirty-two thousand, two hundred thirty-one".