102431101 has 2 divisors, whose sum is σ = 102431102. Its totient is φ = 102431100.

The previous prime is 102431089. The next prime is 102431107. The reversal of 102431101 is 101134201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93122500 + 9308601 = 9650^2 + 3051^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102431101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102431107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51215550 + 51215551.

It is an arithmetic number, because the mean of its divisors is an integer number (51215551).

Almost surely, 2^102431101 is an apocalyptic number.

It is an amenable number.

102431101 is a deficient number, since it is larger than the sum of its proper divisors (1).

102431101 is an equidigital number, since it uses as much as digits as its factorization.

102431101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 102431101 is about 10120.8251145843. The cubic root of 102431101 is about 467.8901978383.

Adding to 102431101 its reverse (101134201), we get a palindrome (203565302).

The spelling of 102431101 in words is "one hundred two million, four hundred thirty-one thousand, one hundred one".