2031001222404 has 192 divisors, whose sum is σ = 5992044613632. Its totient is φ = 520103116800.

The previous prime is 2031001222391. The next prime is 2031001222441. The reversal of 2031001222404 is 4042221001302.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23529084 + ... + 23615244.

It is an arithmetic number, because the mean of its divisors is an integer number (31208565696).

Almost surely, 2^{2031001222404} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031001222404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2996022306816).

2031001222404 is an abundant number, since it is smaller than the sum of its proper divisors (3961043391228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031001222404 is a wasteful number, since it uses less digits than its factorization.

2031001222404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86546 (or 86544 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2031001222404 its reverse (4042221001302), we get a palindrome (6073222223706).

The spelling of 2031001222404 in words is "two trillion, thirty-one billion, one million, two hundred twenty-two thousand, four hundred four".