1331241400 has 48 divisors (see below), whose sum is σ = 3097558440. Its totient is φ = 532080000.

The previous prime is 1331241397. The next prime is 1331241413. The reversal of 1331241400 is 41421331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448722 + ... + 451678.

Almost surely, 2^1331241400 is an apocalyptic number.

1331241400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331241400 is an abundant number, since it is smaller than the sum of its proper divisors (1766317040).

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

1331241400 is a wasteful number, since it uses less digits than its factorization.

1331241400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224 (or 5215 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1331241400 is about 36486.1809456676. The cubic root of 1331241400 is about 1100.0664973574.

Adding to 1331241400 its reverse (41421331), we get a palindrome (1372662731).

The spelling of 1331241400 in words is "one billion, three hundred thirty-one million, two hundred forty-one thousand, four hundred".