2331144320404 has 48 divisors (see below), whose sum is σ = 4280567316480. Its totient is φ = 1109417712480.

The previous prime is 2331144320399. The next prime is 2331144320423. The reversal of 2331144320404 is 4040234411332.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5158437 + ... + 5592115.

It is an arithmetic number, because the mean of its divisors is an integer number (89178485760).

Almost surely, 2^{2331144320404} is an apocalyptic number.

It is an amenable number.

2331144320404 is a deficient number, since it is larger than the sum of its proper divisors (1949422996076).

2331144320404 is a wasteful number, since it uses less digits than its factorization.

2331144320404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434428 (or 434426 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 2331144320404 its reverse (4040234411332), we get a palindrome (6371378731736).

The spelling of 2331144320404 in words is "two trillion, three hundred thirty-one billion, one hundred forty-four million, three hundred twenty thousand, four hundred four".