1231241422103 has 24 divisors (see below), whose sum is σ = 1566261795840. Its totient is φ = 947264432400.

The previous prime is 1231241422093. The next prime is 1231241422111. The reversal of 1231241422103 is 3012241421321.

It is a happy number.

It is not a de Polignac number, because 1231241422103 - 2²⁰ = 1231240373527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231241422163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9133403 + ... + 9267228.

It is an arithmetic number, because the mean of its divisors is an integer number (65260908160).

Almost surely, 2^{1231241422103} is an apocalyptic number.

1231241422103 is a deficient number, since it is larger than the sum of its proper divisors (335020373737).

1231241422103 is a wasteful number, since it uses less digits than its factorization.

1231241422103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18400739 (or 18400728 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1231241422103 its reverse (3012241421321), we get a palindrome (4243482843424).

The spelling of 1231241422103 in words is "one trillion, two hundred thirty-one billion, two hundred forty-one million, four hundred twenty-two thousand, one hundred three".