1331414233 has 4 divisors (see below), whose sum is σ = 1331675620. Its totient is φ = 1331152848.

The previous prime is 1331414213. The next prime is 1331414267. The reversal of 1331414233 is 3324141331.

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 425885769 + 905528464 = 20637^2 + 30092^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331414233 - 2²¹ = 1329317081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331414198 and 1331414207.

It is not an unprimeable number, because it can be changed into a prime (1331414213) 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, 122898 + ... + 133291.

It is an arithmetic number, because the mean of its divisors is an integer number (332918905).

Almost surely, 2^1331414233 is an apocalyptic number.

It is an amenable number.

1331414233 is a deficient number, since it is larger than the sum of its proper divisors (261387).

1331414233 is an equidigital number, since it uses as much as digits as its factorization.

1331414233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261386.

The product of its digits is 2592, while the sum is 25.

The square root of 1331414233 is about 36488.5493408549. The cubic root of 1331414233 is about 1100.1141019380.

Adding to 1331414233 its reverse (3324141331), we get a palindrome (4655555564).

The spelling of 1331414233 in words is "one billion, three hundred thirty-one million, four hundred fourteen thousand, two hundred thirty-three".