1331212434 has 8 divisors (see below), whose sum is σ = 2662424880. Its totient is φ = 443737476.

The previous prime is 1331212411. The next prime is 1331212453. The reversal of 1331212434 is 4342121331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1331212434 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110934364 + ... + 110934375.

It is an arithmetic number, because the mean of its divisors is an integer number (332803110).

Almost surely, 2^1331212434 is an apocalyptic number.

1331212434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1331212434 is a wasteful number, since it uses less digits than its factorization.

1331212434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221868744.

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

The square root of 1331212434 is about 36485.7839987028. The cubic root of 1331212434 is about 1100.0585186499.

Adding to 1331212434 its reverse (4342121331), we get a palindrome (5673333765).

The spelling of 1331212434 in words is "one billion, three hundred thirty-one million, two hundred twelve thousand, four hundred thirty-four".