100310131232009 has 4 divisors (see below), whose sum is σ = 100312020329220. Its totient is φ = 100308242134800.

The previous prime is 100310131231987. The next prime is 100310131232011. The reversal of 100310131232009 is 900232131013001.

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 33514605072400 + 66795526159609 = 5789180^2 + 8172853^2 .

It is a cyclic number.

It is not a de Polignac number, because 100310131232009 - 2²⁸ = 100309862796553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100310131232039) 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, 944468954 + ... + 944575155.

It is an arithmetic number, because the mean of its divisors is an integer number (25078005082305).

Almost surely, 2^{100310131232009} is an apocalyptic number.

It is an amenable number.

100310131232009 is a deficient number, since it is larger than the sum of its proper divisors (1889097211).

100310131232009 is an equidigital number, since it uses as much as digits as its factorization.

100310131232009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889097210.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 100310131232009 in words is "one hundred trillion, three hundred ten billion, one hundred thirty-one million, two hundred thirty-two thousand, nine".