131226211715 has 8 divisors (see below), whose sum is σ = 157541861520. Its totient is φ = 104934031072.

The previous prime is 131226211703. The next prime is 131226211757. The reversal of 131226211715 is 517112622131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131226211715 - 2¹⁶ = 131226146179 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5854985 + ... + 5877354.

It is an arithmetic number, because the mean of its divisors is an integer number (19692732690).

Almost surely, 2^131226211715 is an apocalyptic number.

131226211715 is a deficient number, since it is larger than the sum of its proper divisors (26315649805).

131226211715 is a wasteful number, since it uses less digits than its factorization.

131226211715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11734581.

The product of its digits is 5040, while the sum is 32.

Adding to 131226211715 its reverse (517112622131), we get a palindrome (648338833846).

The spelling of 131226211715 in words is "one hundred thirty-one billion, two hundred twenty-six million, two hundred eleven thousand, seven hundred fifteen".