102231271969 has 2 divisors, whose sum is σ = 102231271970. Its totient is φ = 102231271968.

The previous prime is 102231271943. The next prime is 102231271973. The reversal of 102231271969 is 969172132201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76499262225 + 25732009744 = 276585^2 + 160412^2 .

It is a cyclic number.

It is not a de Polignac number, because 102231271969 - 2⁷ = 102231271841 is a prime.

It is a super-2 number, since 2×102231271969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102231271939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51115635984 + 51115635985.

It is an arithmetic number, because the mean of its divisors is an integer number (51115635985).

Almost surely, 2^102231271969 is an apocalyptic number.

It is an amenable number.

102231271969 is a deficient number, since it is larger than the sum of its proper divisors (1).

102231271969 is an equidigital number, since it uses as much as digits as its factorization.

102231271969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 102231271969 in words is "one hundred two billion, two hundred thirty-one million, two hundred seventy-one thousand, nine hundred sixty-nine".