3215112490 has 8 divisors (see below), whose sum is σ = 5787202500. Its totient is φ = 1286044992.

The previous prime is 3215112443. The next prime is 3215112491. The reversal of 3215112490 is 942115123.

It can be written as a sum of positive squares in 2 ways, for example, as 2864711529 + 350400961 = 53523^2 + 18719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3215112491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160755615 + ... + 160755634.

Almost surely, 2^3215112490 is an apocalyptic number.

3215112490 is a deficient number, since it is larger than the sum of its proper divisors (2572090010).

3215112490 is a wasteful number, since it uses less digits than its factorization.

3215112490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321511256.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 3215112490 is about 56701.9619590010. The cubic root of 3215112490 is about 1475.9287442069.

The spelling of 3215112490 in words is "three billion, two hundred fifteen million, one hundred twelve thousand, four hundred ninety".