1331490255 has 8 divisors (see below), whose sum is σ = 2130384432. Its totient is φ = 710128128.

The previous prime is 1331490241. The next prime is 1331490283. The reversal of 1331490255 is 5520941331.

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

It is not a de Polignac number, because 1331490255 - 2¹² = 1331486159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44382994 + ... + 44383023.

It is an arithmetic number, because the mean of its divisors is an integer number (266298054).

Almost surely, 2^1331490255 is an apocalyptic number.

1331490255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1331490255 is a deficient number, since it is larger than the sum of its proper divisors (798894177).

1331490255 is an equidigital number, since it uses as much as digits as its factorization.

1331490255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88766025.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 1331490255 is about 36489.5910500515. The cubic root of 1331490255 is about 1100.1350398952.

The spelling of 1331490255 in words is "one billion, three hundred thirty-one million, four hundred ninety thousand, two hundred fifty-five".