3231911481 has 4 divisors (see below), whose sum is σ = 4309215312. Its totient is φ = 2154607652.

The previous prime is 3231911399. The next prime is 3231911503. The reversal of 3231911481 is 1841191323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3231911481 - 2²² = 3227717177 is a prime.

It is a super-2 number, since 2×3231911481² = 20890503642039226722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3231916481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538651911 + ... + 538651916.

It is an arithmetic number, because the mean of its divisors is an integer number (1077303828).

Almost surely, 2^3231911481 is an apocalyptic number.

It is an amenable number.

3231911481 is a deficient number, since it is larger than the sum of its proper divisors (1077303831).

3231911481 is a wasteful number, since it uses less digits than its factorization.

3231911481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077303830.

The product of its digits is 5184, while the sum is 33.

The square root of 3231911481 is about 56849.9030869886. The cubic root of 3231911481 is about 1478.4948602738.

The spelling of 3231911481 in words is "three billion, two hundred thirty-one million, nine hundred eleven thousand, four hundred eighty-one".