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2512115231 is a prime number
BaseRepresentation
bin1001010110111011…
…1101011000011111
320111001222200020212
42111232331120133
520121100141411
61053135203035
7116152425053
oct22556753037
96431880225
102512115231
11107a02939a
125a137647b
133105b1a22
1419b8c5c63
15ea82068b
hex95bbd61f

2512115231 has 2 divisors, whose sum is σ = 2512115232. Its totient is φ = 2512115230.

The previous prime is 2512115209. The next prime is 2512115239. The reversal of 2512115231 is 1325112152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2512115231 - 26 = 2512115167 is a prime.

It is a super-2 number, since 2×25121152312 = 12621445867644366722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2512115197 and 2512115206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2512115239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256057615 + 1256057616.

It is an arithmetic number, because the mean of its divisors is an integer number (1256057616).

Almost surely, 22512115231 is an apocalyptic number.

2512115231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2512115231 is an equidigital number, since it uses as much as digits as its factorization.

2512115231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 23.

The square root of 2512115231 is about 50121.0058857561. The cubic root of 2512115231 is about 1359.3976627294.

Adding to 2512115231 its reverse (1325112152), we get a palindrome (3837227383).

The spelling of 2512115231 in words is "two billion, five hundred twelve million, one hundred fifteen thousand, two hundred thirty-one".