31230041011421 has 32 divisors (see below), whose sum is σ = 36398294526720. Its totient is φ = 26245324947456.

The previous prime is 31230041011387. The next prime is 31230041011471. The reversal of 31230041011421 is 12411014003213.

It is a cyclic number.

It is not a de Polignac number, because 31230041011421 - 2²² = 31230036817117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31230041011471) 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 31 ways as a sum of consecutive naturals, for example, 25120145 + ... + 26334041.

It is an arithmetic number, because the mean of its divisors is an integer number (1137446703960).

Almost surely, 2^{31230041011421} is an apocalyptic number.

It is an amenable number.

31230041011421 is a deficient number, since it is larger than the sum of its proper divisors (5168253515299).

31230041011421 is a wasteful number, since it uses less digits than its factorization.

31230041011421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214373.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 31230041011421 its reverse (12411014003213), we get a palindrome (43641055014634).

The spelling of 31230041011421 in words is "thirty-one trillion, two hundred thirty billion, forty-one million, eleven thousand, four hundred twenty-one".