3133220401 has 8 divisors (see below), whose sum is σ = 3142893384. Its totient is φ = 3123563520.

The previous prime is 3133220399. The next prime is 3133220459. The reversal of 3133220401 is 1040223313.

It can be written as a sum of positive squares in 4 ways, for example, as 937829376 + 2195391025 = 30624^2 + 46855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3133220401 - 2¹ = 3133220399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3133220801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466201 + ... + 472873.

It is an arithmetic number, because the mean of its divisors is an integer number (392861673).

Almost surely, 2^3133220401 is an apocalyptic number.

It is an amenable number.

3133220401 is a deficient number, since it is larger than the sum of its proper divisors (9672983).

3133220401 is an equidigital number, since it uses as much as digits as its factorization.

3133220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8051.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3133220401 is about 55975.1766500116. The cubic root of 3133220401 is about 1463.2896985874.

Adding to 3133220401 its reverse (1040223313), we get a palindrome (4173443714).

The spelling of 3133220401 in words is "three billion, one hundred thirty-three million, two hundred twenty thousand, four hundred one".