131107226999 has 4 divisors (see below), whose sum is σ = 149836830864. Its totient is φ = 112377623136.

The previous prime is 131107226989. The next prime is 131107227007. The reversal of 131107226999 is 999622701131.

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

It is a cyclic number.

It is not a de Polignac number, because 131107226999 - 2⁸ = 131107226743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131107226959) 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, 9364801922 + ... + 9364801935.

It is an arithmetic number, because the mean of its divisors is an integer number (37459207716).

Almost surely, 2^131107226999 is an apocalyptic number.

131107226999 is a deficient number, since it is larger than the sum of its proper divisors (18729603865).

131107226999 is an equidigital number, since it uses as much as digits as its factorization.

131107226999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18729603864.

The product of its (nonzero) digits is 367416, while the sum is 50.

The spelling of 131107226999 in words is "one hundred thirty-one billion, one hundred seven million, two hundred twenty-six thousand, nine hundred ninety-nine".