1331043412 has 6 divisors (see below), whose sum is σ = 2329325978. Its totient is φ = 665521704.

The previous prime is 1331043403. The next prime is 1331043437. The reversal of 1331043412 is 2143401331.

It can be written as a sum of positive squares in only one way, i.e., 1264229136 + 66814276 = 35556^2 + 8174^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166380423 + ... + 166380430.

Almost surely, 2^1331043412 is an apocalyptic number.

It is an amenable number.

1331043412 is a deficient number, since it is larger than the sum of its proper divisors (998282566).

1331043412 is a wasteful number, since it uses less digits than its factorization.

1331043412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332760857 (or 332760855 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1331043412 is about 36483.4676531713. The cubic root of 1331043412 is about 1100.0119590986.

Adding to 1331043412 its reverse (2143401331), we get a palindrome (3474444743).

The spelling of 1331043412 in words is "one billion, three hundred thirty-one million, forty-three thousand, four hundred twelve".