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1087212311 is a prime number
BaseRepresentation
bin100000011001101…
…1000101100010111
32210202210002220122
41000303120230113
54211311243221
6255514422155
735641103123
oct10063305427
92722702818
101087212311
11508780779
1226413195b
131443242c3
14a4570583
15656abeab
hex40cd8b17

1087212311 has 2 divisors, whose sum is σ = 1087212312. Its totient is φ = 1087212310.

The previous prime is 1087212307. The next prime is 1087212331. The reversal of 1087212311 is 1132127801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1087212311 - 22 = 1087212307 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1087212331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543606155 + 543606156.

It is an arithmetic number, because the mean of its divisors is an integer number (543606156).

Almost surely, 21087212311 is an apocalyptic number.

1087212311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087212311 is an equidigital number, since it uses as much as digits as its factorization.

1087212311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 1087212311 is about 32972.9026778050. The cubic root of 1087212311 is about 1028.2643692049.

The spelling of 1087212311 in words is "one billion, eighty-seven million, two hundred twelve thousand, three hundred eleven".