1231300101 has 16 divisors (see below), whose sum is σ = 1714844160. Its totient is φ = 784383600.

The previous prime is 1231300099. The next prime is 1231300117. The reversal of 1231300101 is 1010031321.

It is not a de Polignac number, because 1231300101 - 2¹ = 1231300099 is a prime.

It is a super-2 number, since 2×1231300101² = 3032199877445220402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231300121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64030 + ... + 81008.

It is an arithmetic number, because the mean of its divisors is an integer number (107177760).

Almost surely, 2^1231300101 is an apocalyptic number.

It is an amenable number.

1231300101 is a deficient number, since it is larger than the sum of its proper divisors (483544059).

1231300101 is a wasteful number, since it uses less digits than its factorization.

1231300101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18056.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1231300101 is about 35089.8860214735. The cubic root of 1231300101 is about 1071.8186386240.

Adding to 1231300101 its reverse (1010031321), we get a palindrome (2241331422).

The spelling of 1231300101 in words is "one billion, two hundred thirty-one million, three hundred thousand, one hundred one".