1213000114231 has 4 divisors (see below), whose sum is σ = 1213002409752. Its totient is φ = 1212997818712.

The previous prime is 1213000114213. The next prime is 1213000114247. The reversal of 1213000114231 is 1324110003121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213000114231 - 2⁹ = 1213000113719 is a prime.

It is a super-2 number, since 2×1213000114231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213000114199 and 1213000114208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213000111231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89325 + ... + 1560121.

It is an arithmetic number, because the mean of its divisors is an integer number (303250602438).

Almost surely, 2^{1213000114231} is an apocalyptic number.

1213000114231 is a deficient number, since it is larger than the sum of its proper divisors (2295521).

1213000114231 is an equidigital number, since it uses as much as digits as its factorization.

1213000114231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295520.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1213000114231 its reverse (1324110003121), we get a palindrome (2537110117352).

It can be divided in two parts, 1213000 and 114231, that added together give a palindrome (1327231).

The spelling of 1213000114231 in words is "one trillion, two hundred thirteen billion, one hundred fourteen thousand, two hundred thirty-one".