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15230151031 is a prime number
BaseRepresentation
bin11100010111100100…
…11010100101110111
31110022102012211112211
432023302122211313
5222142404313111
610555134554251
71046263101454
oct161362324567
943272184484
1015230151031
116506028987
122b50668987
13158942bcb4
14a46a1482b
155e2127521
hex38bc9a977

15230151031 has 2 divisors, whose sum is σ = 15230151032. Its totient is φ = 15230151030.

The previous prime is 15230151019. The next prime is 15230151089. The reversal of 15230151031 is 13015103251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15230151031 - 213 = 15230142839 is a prime.

It is a super-2 number, since 2×152301510312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15230150993 and 15230151011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15230151091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7615075515 + 7615075516.

It is an arithmetic number, because the mean of its divisors is an integer number (7615075516).

Almost surely, 215230151031 is an apocalyptic number.

15230151031 is a deficient number, since it is larger than the sum of its proper divisors (1).

15230151031 is an equidigital number, since it uses as much as digits as its factorization.

15230151031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 15230151031 its reverse (13015103251), we get a palindrome (28245254282).

The spelling of 15230151031 in words is "fifteen billion, two hundred thirty million, one hundred fifty-one thousand, thirty-one".