1331862401 has 8 divisors (see below), whose sum is σ = 1355049600. Its totient is φ = 1308695760.

The previous prime is 1331862377. The next prime is 1331862461. The reversal of 1331862401 is 1042681331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331862401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1331862461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187016 + ... + 194006.

It is an arithmetic number, because the mean of its divisors is an integer number (169381200).

Almost surely, 2^1331862401 is an apocalyptic number.

It is an amenable number.

1331862401 is a deficient number, since it is larger than the sum of its proper divisors (23187199).

1331862401 is an equidigital number, since it uses as much as digits as its factorization.

1331862401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10279.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1331862401 is about 36494.6900384152. The cubic root of 1331862401 is about 1100.2375247403.

The spelling of 1331862401 in words is "one billion, three hundred thirty-one million, eight hundred sixty-two thousand, four hundred one".