1231300011101 has 4 divisors (see below), whose sum is σ = 1231416943104. Its totient is φ = 1231183079100.

The previous prime is 1231300011091. The next prime is 1231300011121. The reversal of 1231300011101 is 1011100031321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1231300011101 - 2⁶ = 1231300011037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231300011121) 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, 58450205 + ... + 58471266.

It is an arithmetic number, because the mean of its divisors is an integer number (307854235776).

Almost surely, 2^{1231300011101} is an apocalyptic number.

It is an amenable number.

1231300011101 is a deficient number, since it is larger than the sum of its proper divisors (116932003).

1231300011101 is a wasteful number, since it uses less digits than its factorization.

1231300011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116932002.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1231300011101 its reverse (1011100031321), we get a palindrome (2242400042422).

The spelling of 1231300011101 in words is "one trillion, two hundred thirty-one billion, three hundred million, eleven thousand, one hundred one".