3431113440 has 48 divisors (see below), whose sum is σ = 10808008848. Its totient is φ = 914963456.

The previous prime is 3431113403. The next prime is 3431113447. The reversal of 3431113440 is 443111343.

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 self number, because there is not a number n which added to its sum of digits gives 3431113440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431113447) 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, 3573597 + ... + 3574556.

It is an arithmetic number, because the mean of its divisors is an integer number (225166851).

Almost surely, 2^3431113440 is an apocalyptic number.

3431113440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3431113440 is an abundant number, since it is smaller than the sum of its proper divisors (7376895408).

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

3431113440 is a wasteful number, since it uses less digits than its factorization.

3431113440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7148171 (or 7148163 counting only the distinct ones).

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

The square root of 3431113440 is about 58575.7069099469. The cubic root of 3431113440 is about 1508.2674513380.

Adding to 3431113440 its reverse (443111343), we get a palindrome (3874224783).

The spelling of 3431113440 in words is "three billion, four hundred thirty-one million, one hundred thirteen thousand, four hundred forty".