102131119 has 2 divisors, whose sum is σ = 102131120. Its totient is φ = 102131118.

The previous prime is 102131111. The next prime is 102131131. The reversal of 102131119 is 911131201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102131119 - 2³ = 102131111 is a prime.

It is a super-2 number, since 2×102131119² = 20861530936384322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102131096 and 102131105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102131111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51065559 + 51065560.

It is an arithmetic number, because the mean of its divisors is an integer number (51065560).

Almost surely, 2^102131119 is an apocalyptic number.

102131119 is a deficient number, since it is larger than the sum of its proper divisors (1).

102131119 is an equidigital number, since it uses as much as digits as its factorization.

102131119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 102131119 is about 10105.9942113579. The cubic root of 102131119 is about 467.4329933419.

The spelling of 102131119 in words is "one hundred two million, one hundred thirty-one thousand, one hundred nineteen".