106131203 has 4 divisors (see below), whose sum is σ = 106151808. Its totient is φ = 106110600.

The previous prime is 106131173. The next prime is 106131209. The reversal of 106131203 is 302131601.

It is a Cunningham number, because it is equal to 10302²-1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 106131203 - 2⁶ = 106131139 is a prime.

It is a super-2 number, since 2×106131203² = 22527664500454418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106131209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5150 + ... + 15452.

It is an arithmetic number, because the mean of its divisors is an integer number (26537952).

Almost surely, 2^106131203 is an apocalyptic number.

106131203 is a deficient number, since it is larger than the sum of its proper divisors (20605).

106131203 is a wasteful number, since it uses less digits than its factorization.

106131203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20604.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 106131203 is about 10301.9999514657. Note that the first 4 decimals coincide. The cubic root of 106131203 is about 473.4575309987.

Adding to 106131203 its reverse (302131601), we get a palindrome (408262804).

The spelling of 106131203 in words is "one hundred six million, one hundred thirty-one thousand, two hundred three".