3152021340 has 192 divisors, whose sum is σ = 10594160640. Its totient is φ = 691752960.

The previous prime is 3152021309. The next prime is 3152021351. The reversal of 3152021340 is 431202513.

3152021340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 245685 + ... + 258195.

It is an arithmetic number, because the mean of its divisors is an integer number (55177920).

Almost surely, 2^3152021340 is an apocalyptic number.

3152021340 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 3152021340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5297080320).

3152021340 is an abundant number, since it is smaller than the sum of its proper divisors (7442139300).

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

3152021340 is a wasteful number, since it uses less digits than its factorization.

3152021340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12572 (or 12570 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3152021340 is about 56142.8654416570. The cubic root of 3152021340 is about 1466.2106949198.

Adding to 3152021340 its reverse (431202513), we get a palindrome (3583223853).

The spelling of 3152021340 in words is "three billion, one hundred fifty-two million, twenty-one thousand, three hundred forty".