31234022304021 has 24 divisors (see below), whose sum is σ = 46077483464064. Its totient is φ = 20378866139520.

The previous prime is 31234022303983. The next prime is 31234022304077. The reversal of 31234022304021 is 12040322043213.

31234022304021 is a `hidden beast` number, since 3 + 1 + 2 + 3 + 402 + 230 + 4 + 0 + 21 = 666.

It is not a de Polignac number, because 31234022304021 - 2¹⁰ = 31234022302997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31234022304721) 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 23 ways as a sum of consecutive naturals, for example, 9762541 + ... + 12560861.

It is an arithmetic number, because the mean of its divisors is an integer number (1919895144336).

Almost surely, 2^{31234022304021} is an apocalyptic number.

It is an amenable number.

31234022304021 is a deficient number, since it is larger than the sum of its proper divisors (14843461160043).

31234022304021 is a wasteful number, since it uses less digits than its factorization.

31234022304021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824761 (or 2824758 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31234022304021 its reverse (12040322043213), we get a palindrome (43274344347234).

The spelling of 31234022304021 in words is "thirty-one trillion, two hundred thirty-four billion, twenty-two million, three hundred four thousand, twenty-one".