2215104131 has 8 divisors (see below), whose sum is σ = 2346672384. Its totient is φ = 2083676800.

The previous prime is 2215104061. The next prime is 2215104137. The reversal of 2215104131 is 1314015122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2215104131 is a prime.

It is a super-2 number, since 2×2215104131² = 9813372622346530322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2215104137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955 + ... + 66588.

It is an arithmetic number, because the mean of its divisors is an integer number (293334048).

Almost surely, 2^2215104131 is an apocalyptic number.

2215104131 is a deficient number, since it is larger than the sum of its proper divisors (131568253).

2215104131 is a wasteful number, since it uses less digits than its factorization.

2215104131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70461.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2215104131 is about 47064.8927652024. The cubic root of 2215104131 is about 1303.5610708210.

Adding to 2215104131 its reverse (1314015122), we get a palindrome (3529119253).

The spelling of 2215104131 in words is "two billion, two hundred fifteen million, one hundred four thousand, one hundred thirty-one".