1234100212031 has 4 divisors (see below), whose sum is σ = 1234464364200. Its totient is φ = 1233736059864.

The previous prime is 1234100212021. The next prime is 1234100212063. The reversal of 1234100212031 is 1302120014321.

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 1234100212031 - 2¹⁰ = 1234100211007 is a prime.

It is a super-2 number, since 2×1234100212031² (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 = 1234100211994 and 1234100212012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234100212021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182071001 + ... + 182077778.

It is an arithmetic number, because the mean of its divisors is an integer number (308616091050).

Almost surely, 2^{1234100212031} is an apocalyptic number.

1234100212031 is a deficient number, since it is larger than the sum of its proper divisors (364152169).

1234100212031 is an equidigital number, since it uses as much as digits as its factorization.

1234100212031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364152168.

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

Adding to 1234100212031 its reverse (1302120014321), we get a palindrome (2536220226352).

The spelling of 1234100212031 in words is "one trillion, two hundred thirty-four billion, one hundred million, two hundred twelve thousand, thirty-one".