106515131 has 2 divisors, whose sum is σ = 106515132. Its totient is φ = 106515130.

The previous prime is 106515091. The next prime is 106515137. The reversal of 106515131 is 131515601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106515131 - 2⁶ = 106515067 is a prime.

It is a super-2 number, since 2×106515131² = 22690946263894322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 106515097 and 106515106.

It is not a weakly prime, because it can be changed into another prime (106515137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53257565 + 53257566.

It is an arithmetic number, because the mean of its divisors is an integer number (53257566).

Almost surely, 2^106515131 is an apocalyptic number.

106515131 is a deficient number, since it is larger than the sum of its proper divisors (1).

106515131 is an equidigital number, since it uses as much as digits as its factorization.

106515131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 106515131 is about 10320.6167935836. The cubic root of 106515131 is about 474.0277524150.

The spelling of 106515131 in words is "one hundred six million, five hundred fifteen thousand, one hundred thirty-one".