131215100266 has 8 divisors (see below), whose sum is σ = 196884886464. Its totient is φ = 65586804780.

The previous prime is 131215100249. The next prime is 131215100273. The reversal of 131215100266 is 662001512131.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10364770 + ... + 10377421.

It is an arithmetic number, because the mean of its divisors is an integer number (24610610808).

Almost surely, 2^131215100266 is an apocalyptic number.

131215100266 is a deficient number, since it is larger than the sum of its proper divisors (65669786198).

131215100266 is a wasteful number, since it uses less digits than its factorization.

131215100266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20745356.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 131215100266 its reverse (662001512131), we get a palindrome (793216612397).

The spelling of 131215100266 in words is "one hundred thirty-one billion, two hundred fifteen million, one hundred thousand, two hundred sixty-six".