1331213214 has 16 divisors (see below), whose sum is σ = 2663176320. Its totient is φ = 443612760.

The previous prime is 1331213201. The next prime is 1331213227. The reversal of 1331213214 is 4123121331.

It is an interprime number because it is at equal distance from previous prime (1331213201) and next prime (1331213227).

It is a super-3 number, since 3×1331213214³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6682 + ... + 52029.

It is an arithmetic number, because the mean of its divisors is an integer number (166448520).

Almost surely, 2^1331213214 is an apocalyptic number.

1331213214 is an abundant number, since it is smaller than the sum of its proper divisors (1331963106).

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

1331213214 is a wasteful number, since it uses less digits than its factorization.

1331213214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62495.

The product of its digits is 432, while the sum is 21.

The square root of 1331213214 is about 36485.7946877960. The cubic root of 1331213214 is about 1100.0587335030.

Adding to 1331213214 its reverse (4123121331), we get a palindrome (5454334545).

The spelling of 1331213214 in words is "one billion, three hundred thirty-one million, two hundred thirteen thousand, two hundred fourteen".