1331412452 has 6 divisors (see below), whose sum is σ = 2329971798. Its totient is φ = 665706224.

The previous prime is 1331412427. The next prime is 1331412457. The reversal of 1331412452 is 2542141331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1141358656 + 190053796 = 33784^2 + 13786^2 .

It is not an unprimeable number, because it can be changed into a prime (1331412457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166426553 + ... + 166426560.

It is an arithmetic number, because the mean of its divisors is an integer number (388328633).

Almost surely, 2^1331412452 is an apocalyptic number.

It is an amenable number.

1331412452 is a deficient number, since it is larger than the sum of its proper divisors (998559346).

1331412452 is a wasteful number, since it uses less digits than its factorization.

1331412452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332853117 (or 332853115 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 1331412452 is about 36488.5249359302. The cubic root of 1331412452 is about 1100.1136114060.

Adding to 1331412452 its reverse (2542141331), we get a palindrome (3873553783).

The spelling of 1331412452 in words is "one billion, three hundred thirty-one million, four hundred twelve thousand, four hundred fifty-two".