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3113061531 = 310716359497
BaseRepresentation
bin1011100110001101…
…1000110010011011
322000221202220121020
42321203120302123
522333420432111
61232523413523
7140100405066
oct27143306233
98027686536
103113061531
111358273228
1272a6842a3
133a7c4c258
142176378dd
15133478906
hexb98d8c9b

3113061531 has 16 divisors (see below), whose sum is σ = 4215314304. Its totient is φ = 2043330624.

The previous prime is 3113061481. The next prime is 3113061541. The reversal of 3113061531 is 1351603113.

It is not a de Polignac number, because 3113061531 - 210 = 3113060507 is a prime.

It is a super-2 number, since 2×31130615312 = 19382304191584127922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3113061541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22575 + ... + 82071.

It is an arithmetic number, because the mean of its divisors is an integer number (263457144).

Almost surely, 23113061531 is an apocalyptic number.

3113061531 is a deficient number, since it is larger than the sum of its proper divisors (1102252773).

3113061531 is a wasteful number, since it uses less digits than its factorization.

3113061531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59770.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 3113061531 is about 55794.8163452484. The cubic root of 3113061531 is about 1460.1447174683.

Adding to 3113061531 its reverse (1351603113), we get a palindrome (4464664644).

The spelling of 3113061531 in words is "three billion, one hundred thirteen million, sixty-one thousand, five hundred thirty-one".

Divisors: 1 3 107 163 321 489 17441 52323 59497 178491 6366179 9698011 19098537 29094033 1037687177 3113061531