3231081090 has 56 divisors (see below), whose sum is σ = 8719949628. Its totient is φ = 861619680.

The previous prime is 3231081089. The next prime is 3231081127. The reversal of 3231081090 is 901801323.

It can be written as a sum of positive squares in 2 ways, for example, as 2667825801 + 563255289 = 51651^2 + 23733^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 214321 + ... + 228900.

Almost surely, 2^3231081090 is an apocalyptic number.

3231081090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3231081090 is an abundant number, since it is smaller than the sum of its proper divisors (5488868538).

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

3231081090 is an equidigital number, since it uses as much as digits as its factorization.

3231081090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443246 (or 443231 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 3231081090 is about 56842.5992544324. The cubic root of 3231081090 is about 1478.3682237620.

The spelling of 3231081090 in words is "three billion, two hundred thirty-one million, eighty-one thousand, ninety".