131206053 has 16 divisors (see below), whose sum is σ = 199143936. Its totient is φ = 76061040.

The previous prime is 131206037. The next prime is 131206057. The reversal of 131206053 is 350602131.

It is not a de Polignac number, because 131206053 - 2⁴ = 131206037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131206057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85675 + ... + 87192.

It is an arithmetic number, because the mean of its divisors is an integer number (12446496).

Almost surely, 2^131206053 is an apocalyptic number.

It is an amenable number.

131206053 is a deficient number, since it is larger than the sum of its proper divisors (67937883).

131206053 is a wasteful number, since it uses less digits than its factorization.

131206053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172904.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 131206053 is about 11454.5210724849. The cubic root of 131206053 is about 508.1414513509.

Adding to 131206053 its reverse (350602131), we get a palindrome (481808184).

The spelling of 131206053 in words is "one hundred thirty-one million, two hundred six thousand, fifty-three".