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2163083831 is a prime number
BaseRepresentation
bin1000000011101110…
…0000101000110111
312120202020001011222
42000323200220313
513412222140311
6554350220555
7104413623566
oct20073405067
95522201158
102163083831
11a10005997
125044b475b
132861a767c
141673cbbdd
15c9d78adb
hex80ee0a37

2163083831 has 2 divisors, whose sum is σ = 2163083832. Its totient is φ = 2163083830.

The previous prime is 2163083803. The next prime is 2163083887. The reversal of 2163083831 is 1383803612.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2163083831 is a prime.

It is a super-2 number, since 2×21630838312 = 9357863319867273122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2163083791 and 2163083800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2163083891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081541915 + 1081541916.

It is an arithmetic number, because the mean of its divisors is an integer number (1081541916).

Almost surely, 22163083831 is an apocalyptic number.

2163083831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163083831 is an equidigital number, since it uses as much as digits as its factorization.

2163083831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2163083831 is about 46508.9650605128. The cubic root of 2163083831 is about 1293.2756985703.

The spelling of 2163083831 in words is "two billion, one hundred sixty-three million, eighty-three thousand, eight hundred thirty-one".