1331214411 has 4 divisors (see below), whose sum is σ = 1774952552. Its totient is φ = 887476272.

The previous prime is 1331214397. The next prime is 1331214439. The reversal of 1331214411 is 1144121331.

1331214411 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1144121331 = 3 ⋅381373777.

It is not a de Polignac number, because 1331214411 - 2²¹ = 1329117259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331214481) 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, 221869066 + ... + 221869071.

It is an arithmetic number, because the mean of its divisors is an integer number (443738138).

Almost surely, 2^1331214411 is an apocalyptic number.

1331214411 is a deficient number, since it is larger than the sum of its proper divisors (443738141).

1331214411 is an equidigital number, since it uses as much as digits as its factorization.

1331214411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443738140.

The product of its digits is 288, while the sum is 21.

The square root of 1331214411 is about 36485.8110914366. The cubic root of 1331214411 is about 1100.0590632198.

Adding to 1331214411 its reverse (1144121331), we get a palindrome (2475335742).

The spelling of 1331214411 in words is "one billion, three hundred thirty-one million, two hundred fourteen thousand, four hundred eleven".