2231403402044 has 12 divisors (see below), whose sum is σ = 3907304104704. Its totient is φ = 1115030800704.

The previous prime is 2231403401987. The next prime is 2231403402073. The reversal of 2231403402044 is 4402043041322.

It is a super-3 number, since 3×2231403402044³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2231403401998 and 2231403402016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167717597 + ... + 167730900.

It is an arithmetic number, because the mean of its divisors is an integer number (325608675392).

Almost surely, 2^{2231403402044} is an apocalyptic number.

It is an amenable number.

2231403402044 is a deficient number, since it is larger than the sum of its proper divisors (1675900702660).

2231403402044 is a wasteful number, since it uses less digits than its factorization.

2231403402044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335450164 (or 335450162 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 2231403402044 its reverse (4402043041322), we get a palindrome (6633446443366).

The spelling of 2231403402044 in words is "two trillion, two hundred thirty-one billion, four hundred three million, four hundred two thousand, forty-four".