3151213040 has 80 divisors (see below), whose sum is σ = 7541838720. Its totient is φ = 1223608320.

The previous prime is 3151213019. The next prime is 3151213063. The reversal of 3151213040 is 403121513.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1683305 + ... + 1685175.

It is an arithmetic number, because the mean of its divisors is an integer number (94272984).

Almost surely, 2^3151213040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3151213040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3770919360).

3151213040 is an abundant number, since it is smaller than the sum of its proper divisors (4390625680).

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

3151213040 is a wasteful number, since it uses less digits than its factorization.

3151213040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490 (or 2484 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3151213040 is about 56135.6663806532. Note that the first 3 decimals coincide. The cubic root of 3151213040 is about 1466.0853531897.

Adding to 3151213040 its reverse (403121513), we get a palindrome (3554334553).

The spelling of 3151213040 in words is "three billion, one hundred fifty-one million, two hundred thirteen thousand, forty".