1333131213 has 8 divisors (see below), whose sum is σ = 1783790368. Its totient is φ = 885613104.

The previous prime is 1333131209. The next prime is 1333131251. The reversal of 1333131213 is 3121313331.

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

It is not a de Polignac number, because 1333131213 - 2² = 1333131209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1333131213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333131263) 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, 784270 + ... + 785967.

It is an arithmetic number, because the mean of its divisors is an integer number (222973796).

Almost surely, 2^1333131213 is an apocalyptic number.

It is an amenable number.

1333131213 is a deficient number, since it is larger than the sum of its proper divisors (450659155).

1333131213 is a wasteful number, since it uses less digits than its factorization.

1333131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570523.

The product of its digits is 486, while the sum is 21.

The square root of 1333131213 is about 36512.0694154686. The cubic root of 1333131213 is about 1100.5867979347.

Adding to 1333131213 its reverse (3121313331), we get a palindrome (4454444544).

It can be divided in two parts, 13331 and 31213, that added together give a palindrome (44544).

The spelling of 1333131213 in words is "one billion, three hundred thirty-three million, one hundred thirty-one thousand, two hundred thirteen".