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3085073531 = 3199518501
BaseRepresentation
bin1011011111100010…
…0111110001111011
321222000002222021122
42313320213301323
522304234323111
61230043455455
7136310456321
oct26770476173
97860088248
103085073531
111343497451
1272122758b
133a21cccc7
14213a2dd11
15130c9acdb
hexb7e27c7b

3085073531 has 4 divisors (see below), whose sum is σ = 3184592064. Its totient is φ = 2985555000.

The previous prime is 3085073527. The next prime is 3085073533. The reversal of 3085073531 is 1353705803.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1353705803 = 1619836137.

It is a cyclic number.

It is not a de Polignac number, because 3085073531 - 22 = 3085073527 is a prime.

It is a super-2 number, since 2×30850735312 = 19035357383353615922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3085073491 and 3085073500.

It is not an unprimeable number, because it can be changed into a prime (3085073533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49759220 + ... + 49759281.

It is an arithmetic number, because the mean of its divisors is an integer number (796148016).

Almost surely, 23085073531 is an apocalyptic number.

3085073531 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3085073531 is a deficient number, since it is larger than the sum of its proper divisors (99518533).

3085073531 is an equidigital number, since it uses as much as digits as its factorization.

3085073531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99518532.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 3085073531 is about 55543.4382353127. The cubic root of 3085073531 is about 1455.7557244454.

The spelling of 3085073531 in words is "three billion, eighty-five million, seventy-three thousand, five hundred thirty-one".

Divisors: 1 31 99518501 3085073531