102569231 has 2 divisors, whose sum is σ = 102569232. Its totient is φ = 102569230.

The previous prime is 102569221. The next prime is 102569263. The reversal of 102569231 is 132965201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102569231 - 2¹⁴ = 102552847 is a prime.

It is a super-2 number, since 2×102569231² = 21040894295862722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 102569194 and 102569203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102569221) 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, 51284615 + 51284616.

It is an arithmetic number, because the mean of its divisors is an integer number (51284616).

Almost surely, 2^102569231 is an apocalyptic number.

102569231 is a deficient number, since it is larger than the sum of its proper divisors (1).

102569231 is an equidigital number, since it uses as much as digits as its factorization.

102569231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 102569231 is about 10127.6468639067. The cubic root of 102569231 is about 468.1004225413.

The spelling of 102569231 in words is "one hundred two million, five hundred sixty-nine thousand, two hundred thirty-one".