31344401422021 has 8 divisors (see below), whose sum is σ = 33762272500224. Its totient is φ = 29014452928560.

The previous prime is 31344401422007. The next prime is 31344401422069. The reversal of 31344401422021 is 12022410444313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31344401422021 - 2⁵ = 31344401421989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31344401422721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21980645446 + ... + 21980646871.

It is an arithmetic number, because the mean of its divisors is an integer number (4220284062528).

Almost surely, 2^{31344401422021} is an apocalyptic number.

31344401422021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31344401422021 is a deficient number, since it is larger than the sum of its proper divisors (2417871078203).

31344401422021 is a wasteful number, since it uses less digits than its factorization.

31344401422021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43961292371.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 31344401422021 its reverse (12022410444313), we get a palindrome (43366811866334).

The spelling of 31344401422021 in words is "thirty-one trillion, three hundred forty-four billion, four hundred one million, four hundred twenty-two thousand, twenty-one".