100131242131001 has 4 divisors (see below), whose sum is σ = 100131484952100. Its totient is φ = 100130999309904.

The previous prime is 100131242130991. The next prime is 100131242131021.

100131242131001 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39304423416976 + 60826818714025 = 6269324^2 + 7799155^2 .

It is a cyclic number.

It is not a de Polignac number, because 100131242131001 - 2⁶ = 100131242130937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100131242131021) 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, 120790946 + ... + 121617083.

It is an arithmetic number, because the mean of its divisors is an integer number (25032871238025).

Almost surely, 2^{100131242131001} is an apocalyptic number.

It is an amenable number.

100131242131001 is a deficient number, since it is larger than the sum of its proper divisors (242821099).

100131242131001 is an equidigital number, since it uses as much as digits as its factorization.

100131242131001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242821098.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 100131242131001 in words is "one hundred trillion, one hundred thirty-one billion, two hundred forty-two million, one hundred thirty-one thousand, one".