100231102120403 has 4 divisors (see below), whose sum is σ = 100231148549448. Its totient is φ = 100231055691360.

The previous prime is 100231102120361. The next prime is 100231102120417. The reversal of 100231102120403 is 304021201132001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100231102120403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100231102120433) 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, 19809878 + ... + 24349403.

It is an arithmetic number, because the mean of its divisors is an integer number (25057787137362).

Almost surely, 2^{100231102120403} is an apocalyptic number.

100231102120403 is a deficient number, since it is larger than the sum of its proper divisors (46429045).

100231102120403 is an equidigital number, since it uses as much as digits as its factorization.

100231102120403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46429044.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 100231102120403 its reverse (304021201132001), we get a palindrome (404252303252404).

The spelling of 100231102120403 in words is "one hundred trillion, two hundred thirty-one billion, one hundred two million, one hundred twenty thousand, four hundred three".