3451331323201 has 4 divisors (see below), whose sum is σ = 3535510136004. Its totient is φ = 3367152510400.

The previous prime is 3451331323199. The next prime is 3451331323213. The reversal of 3451331323201 is 1023231331543.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1665235393600 + 1786095929601 = 1290440^2 + 1336449^2 .

It is a cyclic number.

It is not a de Polignac number, because 3451331323201 - 2¹ = 3451331323199 is a prime.

It is a super-3 number, since 3×3451331323201³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3451331323001) by changing a digit.

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, 42089406340 + ... + 42089406421.

It is an arithmetic number, because the mean of its divisors is an integer number (883877534001).

Almost surely, 2^{3451331323201} is an apocalyptic number.

It is an amenable number.

3451331323201 is a deficient number, since it is larger than the sum of its proper divisors (84178812803).

3451331323201 is an equidigital number, since it uses as much as digits as its factorization.

3451331323201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84178812802.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 3451331323201 its reverse (1023231331543), we get a palindrome (4474562654744).

The spelling of 3451331323201 in words is "three trillion, four hundred fifty-one billion, three hundred thirty-one million, three hundred twenty-three thousand, two hundred one".