3313431240 has 192 divisors, whose sum is σ = 12068784000. Its totient is φ = 712753152.

The previous prime is 3313431217. The next prime is 3313431259. The reversal of 3313431240 is 421343133.

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 3313431240.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 235936 + ... + 249584.

It is an arithmetic number, because the mean of its divisors is an integer number (62858250).

Almost surely, 2^3313431240 is an apocalyptic number.

3313431240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3313431240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6034392000).

3313431240 is an abundant number, since it is smaller than the sum of its proper divisors (8755352760).

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

3313431240 is a wasteful number, since it uses less digits than its factorization.

3313431240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13704 (or 13683 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 3313431240 is about 57562.4116937433. The cubic root of 3313431240 is about 1490.8226677817.

Adding to 3313431240 its reverse (421343133), we get a palindrome (3734774373).

The spelling of 3313431240 in words is "three billion, three hundred thirteen million, four hundred thirty-one thousand, two hundred forty".