3121042230400 has 48 divisors (see below), whose sum is σ = 7709949642690. Its totient is φ = 1248416890880.

The previous prime is 3121042230379. The next prime is 3121042230443. The reversal of 3121042230400 is 40322401213.

It can be written as a sum of positive squares in 3 ways, for example, as 1437255708736 + 1683786521664 = 1198856^2 + 1297608^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 487659649 + ... + 487666048.

Almost surely, 2^{3121042230400} is an apocalyptic number.

It is an amenable number.

3121042230400 is an abundant number, since it is smaller than the sum of its proper divisors (4588907412290).

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

3121042230400 is an equidigital number, since it uses as much as digits as its factorization.

3121042230400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975325721 (or 975325704 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 3121042230400 its reverse (40322401213), we get a palindrome (3161364631613).

The spelling of 3121042230400 in words is "three trillion, one hundred twenty-one billion, forty-two million, two hundred thirty thousand, four hundred".