3151545420 has 192 divisors, whose sum is σ = 9376819200. Its totient is φ = 789734400.

The previous prime is 3151545389. The next prime is 3151545427. The reversal of 3151545420 is 245451513.

3151545420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (3151545427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13883347 + ... + 13883573.

It is an arithmetic number, because the mean of its divisors is an integer number (48837600).

Almost surely, 2^3151545420 is an apocalyptic number.

3151545420 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 3151545420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4688409600).

3151545420 is an abundant number, since it is smaller than the sum of its proper divisors (6225273780).

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

3151545420 is a wasteful number, since it uses less digits than its factorization.

3151545420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 3151545420 is about 56138.6268089985. The cubic root of 3151545420 is about 1466.1368973952.

Adding to 3151545420 its reverse (245451513), we get a palindrome (3396996933).

The spelling of 3151545420 in words is "three billion, one hundred fifty-one million, five hundred forty-five thousand, four hundred twenty".