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3113123031 = 33115300853
BaseRepresentation
bin1011100110001110…
…0111110011010111
322000221220000222000
42321203213303113
522333424414111
61232525010343
7140101052304
oct27143476327
98027800860
103113123031
111358305457
1272a6b39b3
133a7c71245
142176520ab
1513348bc56
hexb98e7cd7

3113123031 has 8 divisors (see below), whose sum is σ = 4612034160. Its totient is φ = 2075415336.

The previous prime is 3113123029. The next prime is 3113123053. The reversal of 3113123031 is 1303213113.

It is a happy number.

It is not a de Polignac number, because 3113123031 - 21 = 3113123029 is a prime.

It is a super-2 number, since 2×31131230312 = 19383070012285253922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3113122995 and 3113123013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111123031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57650400 + ... + 57650453.

It is an arithmetic number, because the mean of its divisors is an integer number (576504270).

Almost surely, 23113123031 is an apocalyptic number.

3113123031 is a deficient number, since it is larger than the sum of its proper divisors (1498911129).

3113123031 is a wasteful number, since it uses less digits than its factorization.

3113123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115300862 (or 115300856 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 3113123031 is about 55795.3674689933. The cubic root of 3113123031 is about 1460.1543326876.

Adding to 3113123031 its reverse (1303213113), we get a palindrome (4416336144).

The spelling of 3113123031 in words is "three billion, one hundred thirteen million, one hundred twenty-three thousand, thirty-one".

Divisors: 1 3 9 27 115300853 345902559 1037707677 3113123031