3431003240 has 128 divisors (see below), whose sum is σ = 9366658560. Its totient is φ = 1104175104.

The previous prime is 3431003231. The next prime is 3431003281. The reversal of 3431003240 is 423001343.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2393564 + ... + 2394996.

It is an arithmetic number, because the mean of its divisors is an integer number (73177020).

Almost surely, 2^3431003240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3431003240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4683329280).

3431003240 is an abundant number, since it is smaller than the sum of its proper divisors (5935655320).

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

3431003240 is a wasteful number, since it uses less digits than its factorization.

3431003240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971 (or 1967 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3431003240 is about 58574.7662393970. The cubic root of 3431003240 is about 1508.2513037272.

Adding to 3431003240 its reverse (423001343), we get a palindrome (3854004583).

The spelling of 3431003240 in words is "three billion, four hundred thirty-one million, three thousand, two hundred forty".