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15255130031 is a prime number
BaseRepresentation
bin11100011010100011…
…01100111110101111
31110101011012220021222
432031101230332233
5222220303130111
611001430213555
71050015315521
oct161521547657
943334186258
1015255130031
116519139a89
122b58ab42bb
13159166677b
14a4a077a11
155e440d7db
hex38d46cfaf

15255130031 has 2 divisors, whose sum is σ = 15255130032. Its totient is φ = 15255130030.

The previous prime is 15255130021. The next prime is 15255130049. The reversal of 15255130031 is 13003155251.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15255130031 - 210 = 15255129007 is a prime.

It is a super-2 number, since 2×152551300312 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15255130021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7627565015 + 7627565016.

It is an arithmetic number, because the mean of its divisors is an integer number (7627565016).

Almost surely, 215255130031 is an apocalyptic number.

15255130031 is a deficient number, since it is larger than the sum of its proper divisors (1).

15255130031 is an equidigital number, since it uses as much as digits as its factorization.

15255130031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 15255130031 its reverse (13003155251), we get a palindrome (28258285282).

The spelling of 15255130031 in words is "fifteen billion, two hundred fifty-five million, one hundred thirty thousand, thirty-one".