131144031206 has 4 divisors (see below), whose sum is σ = 196716046812. Its totient is φ = 65572015602.

The previous prime is 131144031191. The next prime is 131144031229. The reversal of 131144031206 is 602130441131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32786007800 + ... + 32786007803.

It is an arithmetic number, because the mean of its divisors is an integer number (49179011703).

Almost surely, 2^131144031206 is an apocalyptic number.

131144031206 is a deficient number, since it is larger than the sum of its proper divisors (65572015606).

131144031206 is an equidigital number, since it uses as much as digits as its factorization.

131144031206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65572015605.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 131144031206 its reverse (602130441131), we get a palindrome (733274472337).

The spelling of 131144031206 in words is "one hundred thirty-one billion, one hundred forty-four million, thirty-one thousand, two hundred six".