2214878131 has 2 divisors, whose sum is σ = 2214878132. Its totient is φ = 2214878130.

The previous prime is 2214878101. The next prime is 2214878213. The reversal of 2214878131 is 1318784122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2214878131 - 2²⁷ = 2080660403 is a prime.

It is a super-2 number, since 2×2214878131² = 9811370270364106322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2214878101) 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 as a sum of consecutive naturals, namely, 1107439065 + 1107439066.

It is an arithmetic number, because the mean of its divisors is an integer number (1107439066).

Almost surely, 2^2214878131 is an apocalyptic number.

2214878131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2214878131 is an equidigital number, since it uses as much as digits as its factorization.

2214878131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 37.

The square root of 2214878131 is about 47062.4917636115. The cubic root of 2214878131 is about 1303.5167365889.

The spelling of 2214878131 in words is "two billion, two hundred fourteen million, eight hundred seventy-eight thousand, one hundred thirty-one".