3231144135 has 32 divisors (see below), whose sum is σ = 5774376960. Its totient is φ = 1714240800.

The previous prime is 3231144079. The next prime is 3231144139. The reversal of 3231144135 is 5314411323.

It is a happy number.

3231144135 is a `hidden beast` number, since 3 + 231 + 14 + 413 + 5 = 666.

It is not a de Polignac number, because 3231144135 - 2⁶ = 3231144071 is a prime.

It is a super-2 number, since 2×3231144135² = 20880584842289796450, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 3231144099 and 3231144108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231144139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36871 + ... + 88440.

It is an arithmetic number, because the mean of its divisors is an integer number (180449280).

Almost surely, 2^3231144135 is an apocalyptic number.

3231144135 is a deficient number, since it is larger than the sum of its proper divisors (2543232825).

3231144135 is a wasteful number, since it uses less digits than its factorization.

3231144135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125516 (or 125510 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 3231144135 is about 56843.1538094079. The cubic root of 3231144135 is about 1478.3778390286.

Adding to 3231144135 its reverse (5314411323), we get a palindrome (8545555458).

The spelling of 3231144135 in words is "three billion, two hundred thirty-one million, one hundred forty-four thousand, one hundred thirty-five".