3313231231 has 4 divisors (see below), whose sum is σ = 3347388352. Its totient is φ = 3279074112.

The previous prime is 3313231223. The next prime is 3313231247. The reversal of 3313231231 is 1321323133.

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

It is a cyclic number.

It is not a de Polignac number, because 3313231231 - 2³ = 3313231223 is a prime.

It is a super-2 number, since 2×3313231231² = 21955002380147550722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3313231211) 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, 17078415 + ... + 17078608.

It is an arithmetic number, because the mean of its divisors is an integer number (836847088).

Almost surely, 2^3313231231 is an apocalyptic number.

3313231231 is a deficient number, since it is larger than the sum of its proper divisors (34157121).

3313231231 is an equidigital number, since it uses as much as digits as its factorization.

3313231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34157120.

The product of its digits is 972, while the sum is 22.

The square root of 3313231231 is about 57560.6743445558. The cubic root of 3313231231 is about 1490.7926702827.

Adding to 3313231231 its reverse (1321323133), we get a palindrome (4634554364).

The spelling of 3313231231 in words is "three billion, three hundred thirteen million, two hundred thirty-one thousand, two hundred thirty-one".