3133231401 has 4 divisors (see below), whose sum is σ = 4177641872. Its totient is φ = 2088820932.

The previous prime is 3133231397. The next prime is 3133231441. The reversal of 3133231401 is 1041323313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3133231401 - 2² = 3133231397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3133231441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522205231 + ... + 522205236.

It is an arithmetic number, because the mean of its divisors is an integer number (1044410468).

Almost surely, 2^3133231401 is an apocalyptic number.

It is an amenable number.

3133231401 is a deficient number, since it is larger than the sum of its proper divisors (1044410471).

3133231401 is a wasteful number, since it uses less digits than its factorization.

3133231401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044410470.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 3133231401 is about 55975.2749077662. The cubic root of 3133231401 is about 1463.2914110074.

Adding to 3133231401 its reverse (1041323313), we get a palindrome (4174554714).

The spelling of 3133231401 in words is "three billion, one hundred thirty-three million, two hundred thirty-one thousand, four hundred one".