1331432214 has 96 divisors (see below), whose sum is σ = 3295282176. Its totient is φ = 356348160.

The previous prime is 1331432213. The next prime is 1331432227. The reversal of 1331432214 is 4122341331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331432213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1353967 + ... + 1354949.

It is an arithmetic number, because the mean of its divisors is an integer number (34325856).

Almost surely, 2^1331432214 is an apocalyptic number.

1331432214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331432214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1647641088).

1331432214 is an abundant number, since it is smaller than the sum of its proper divisors (1963849962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331432214 is a wasteful number, since it uses less digits than its factorization.

1331432214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1283 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 1331432214 is about 36488.7957323889. The cubic root of 1331432214 is about 1100.1190543318.

Adding to 1331432214 its reverse (4122341331), we get a palindrome (5453773545).

The spelling of 1331432214 in words is "one billion, three hundred thirty-one million, four hundred thirty-two thousand, two hundred fourteen".