3151542540 has 96 divisors (see below), whose sum is σ = 9328112640. Its totient is φ = 792806400.

The previous prime is 3151542529. The next prime is 3151542601. The reversal of 3151542540 is 452451513.

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

It is a junction number, because it is equal to n+sod(n) for n = 3151542498 and 3151542507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269005 + ... + 280475.

It is an arithmetic number, because the mean of its divisors is an integer number (97167840).

Almost surely, 2^3151542540 is an apocalyptic number.

3151542540 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 3151542540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4664056320).

3151542540 is an abundant number, since it is smaller than the sum of its proper divisors (6176570100).

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

3151542540 is a wasteful number, since it uses less digits than its factorization.

3151542540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11743 (or 11741 counting only the distinct ones).

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

The square root of 3151542540 is about 56138.6011582049. The cubic root of 3151542540 is about 1466.1364507915.

The spelling of 3151542540 in words is "three billion, one hundred fifty-one million, five hundred forty-two thousand, five hundred forty".