3240421131 has 8 divisors (see below), whose sum is σ = 4375252480. Its totient is φ = 2132935272.

The previous prime is 3240421127. The next prime is 3240421181. The reversal of 3240421131 is 1311240423.

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

It is not a de Polignac number, because 3240421131 - 2² = 3240421127 is a prime.

It is a super-2 number, since 2×3240421131² = 21000658212462638322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3240421098 and 3240421107.

It is not an unprimeable number, because it can be changed into a prime (3240421181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6836095 + ... + 6836568.

It is an arithmetic number, because the mean of its divisors is an integer number (546906560).

Almost surely, 2^3240421131 is an apocalyptic number.

3240421131 is a deficient number, since it is larger than the sum of its proper divisors (1134831349).

3240421131 is a wasteful number, since it uses less digits than its factorization.

3240421131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13672745.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3240421131 is about 56924.6970215916. The cubic root of 3240421131 is about 1479.7913528305.

Adding to 3240421131 its reverse (1311240423), we get a palindrome (4551661554).

It can be divided in two parts, 32404 and 21131, that added together give a palindrome (53535).

The spelling of 3240421131 in words is "three billion, two hundred forty million, four hundred twenty-one thousand, one hundred thirty-one".