1331453214 has 160 divisors (see below), whose sum is σ = 3772714176. Its totient is φ = 341521920.

The previous prime is 1331453213. The next prime is 1331453239. The reversal of 1331453214 is 4123541331.

It is a happy number.

1331453214 is a `hidden beast` number, since 1 + 331 + 4 + 5 + 321 + 4 = 666.

It is a super-2 number, since 2×1331453214² = 3545535322141859592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331453213) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 544234 + ... + 546674.

Almost surely, 2^1331453214 is an apocalyptic number.

1331453214 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 1331453214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1886357088).

1331453214 is an abundant number, since it is smaller than the sum of its proper divisors (2441260962).

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

1331453214 is a wasteful number, since it uses less digits than its factorization.

1331453214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512 (or 2503 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1331453214 is about 36489.0834908196. The cubic root of 1331453214 is about 1100.1248381733.

Adding to 1331453214 its reverse (4123541331), we get a palindrome (5454994545).

The spelling of 1331453214 in words is "one billion, three hundred thirty-one million, four hundred fifty-three thousand, two hundred fourteen".