31230041402421 has 12 divisors (see below), whose sum is σ = 45111698799180. Its totient is φ = 20819271142080.

The previous prime is 31230041402411. The next prime is 31230041402437. The reversal of 31230041402421 is 12420414003213.

31230041402421 is a `hidden beast` number, since 3 + 1 + 2 + 3 + 0 + 0 + 414 + 0 + 242 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8867971791396 + 22362069611025 = 2977914^2 + 4728855^2 .

It is not a de Polignac number, because 31230041402421 - 2¹¹ = 31230041400373 is a prime.

It is a super-2 number, since 2×31230041402421² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31230041402411) 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 11 ways as a sum of consecutive naturals, for example, 62776770 + ... + 63272291.

It is an arithmetic number, because the mean of its divisors is an integer number (3759308233265).

Almost surely, 2^{31230041402421} is an apocalyptic number.

It is an amenable number.

31230041402421 is a deficient number, since it is larger than the sum of its proper divisors (13881657396759).

31230041402421 is a wasteful number, since it uses less digits than its factorization.

31230041402421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126076596 (or 126076593 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 31230041402421 its reverse (12420414003213), we get a palindrome (43650455405634).

The spelling of 31230041402421 in words is "thirty-one trillion, two hundred thirty billion, forty-one million, four hundred two thousand, four hundred twenty-one".