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13761031 is a prime number
BaseRepresentation
bin110100011111…
…101000000111
3221220010120211
4310133220013
512010323111
61210540251
7224652424
oct64375007
927803524
1013761031
117849959
124737687
132b0a72b
141b82d4b
15131c521
hexd1fa07

13761031 has 2 divisors, whose sum is σ = 13761032. Its totient is φ = 13761030.

The previous prime is 13761029. The next prime is 13761037. The reversal of 13761031 is 13016731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13761031 - 21 = 13761029 is a prime.

It is a super-2 number, since 2×137610312 = 378731948365922, which contains 22 as substring.

Together with 13761029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13760993 and 13761011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13761037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6880515 + 6880516.

It is an arithmetic number, because the mean of its divisors is an integer number (6880516).

Almost surely, 213761031 is an apocalyptic number.

13761031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13761031 is an equidigital number, since it uses as much as digits as its factorization.

13761031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 13761031 is about 3709.5863650817. The cubic root of 13761031 is about 239.6350413678.

Adding to 13761031 its reverse (13016731), we get a palindrome (26777762).

It can be divided in two parts, 137610 and 31, that added together give a square (137641 = 3712).

The spelling of 13761031 in words is "thirteen million, seven hundred sixty-one thousand, thirty-one".