3231131424 has 48 divisors (see below), whose sum is σ = 8564092992. Its totient is φ = 1066583808.

The previous prime is 3231131381. The next prime is 3231131441. The reversal of 3231131424 is 4241311323.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 3231131394 and 3231131403.

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, 153499 + ... + 173274.

It is an arithmetic number, because the mean of its divisors is an integer number (178418604).

Almost surely, 2^3231131424 is an apocalyptic number.

It is an amenable number.

3231131424 is an abundant number, since it is smaller than the sum of its proper divisors (5332961568).

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

3231131424 is a wasteful number, since it uses less digits than its factorization.

3231131424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326889 (or 326881 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 3231131424 is about 56843.0420016382. The cubic root of 3231131424 is about 1478.3759004289.

Adding to 3231131424 its reverse (4241311323), we get a palindrome (7472442747).

The spelling of 3231131424 in words is "three billion, two hundred thirty-one million, one hundred thirty-one thousand, four hundred twenty-four".