1331400336 has 80 divisors (see below), whose sum is σ = 3935664768. Its totient is φ = 379929600.

The previous prime is 1331400311. The next prime is 1331400337. The reversal of 1331400336 is 6330041331.

1331400336 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1331400337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341116 + ... + 344996.

Almost surely, 2^1331400336 is an apocalyptic number.

1331400336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1331400336 is an abundant number, since it is smaller than the sum of its proper divisors (2604264432).

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

1331400336 is a wasteful number, since it uses less digits than its factorization.

1331400336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920 (or 4914 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 1331400336 is about 36488.3589107540. The cubic root of 1331400336 is about 1100.1102743441.

Adding to 1331400336 its reverse (6330041331), we get a palindrome (7661441667).

The spelling of 1331400336 in words is "one billion, three hundred thirty-one million, four hundred thousand, three hundred thirty-six".