31422024204021 has 40 divisors (see below), whose sum is σ = 51214467674304. Its totient is φ = 19040599212480.

The previous prime is 31422024204013. The next prime is 31422024204041. The reversal of 31422024204021 is 12040242022413.

It is a happy number.

31422024204021 is a `hidden beast` number, since 3 + 14 + 2 + 2 + 0 + 242 + 0 + 402 + 1 = 666.

It is not a de Polignac number, because 31422024204021 - 2³ = 31422024204013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31422024204041) 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 39 ways as a sum of consecutive naturals, for example, 2743441 + ... + 8388713.

Almost surely, 2^{31422024204021} is an apocalyptic number.

It is an amenable number.

31422024204021 is a deficient number, since it is larger than the sum of its proper divisors (19792443470283).

31422024204021 is a wasteful number, since it uses less digits than its factorization.

31422024204021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5651543 (or 5651534 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 31422024204021 its reverse (12040242022413), we get a palindrome (43462266226434).

The spelling of 31422024204021 in words is "thirty-one trillion, four hundred twenty-two billion, twenty-four million, two hundred four thousand, twenty-one".