4015216131 has 8 divisors (see below), whose sum is σ = 5526319104. Its totient is φ = 2590461960.

The previous prime is 4015216129. The next prime is 4015216171. The reversal of 4015216131 is 1316125104.

It is a happy number.

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

It is not a de Polignac number, because 4015216131 - 2¹ = 4015216129 is a prime.

It is a super-2 number, since 2×4015216131² = 32243921157285218322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4015216171) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21587091 + ... + 21587276.

It is an arithmetic number, because the mean of its divisors is an integer number (690789888).

Almost surely, 2^4015216131 is an apocalyptic number.

4015216131 is a deficient number, since it is larger than the sum of its proper divisors (1511102973).

4015216131 is a wasteful number, since it uses less digits than its factorization.

4015216131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43174401.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 4015216131 is about 63365.7330976294. The cubic root of 4015216131 is about 1589.4113469060.

The spelling of 4015216131 in words is "four billion, fifteen million, two hundred sixteen thousand, one hundred thirty-one".