2281942131 has 16 divisors (see below), whose sum is σ = 3495456768. Its totient is φ = 1297137600.

The previous prime is 2281942127. The next prime is 2281942219. The reversal of 2281942131 is 1312491822.

It is not a de Polignac number, because 2281942131 - 2² = 2281942127 is a prime.

It is a super-2 number, since 2×2281942131² = 10414519778465642322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2281942092 and 2281942101.

It is not an unprimeable number, because it can be changed into a prime (2281940131) 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 15 ways as a sum of consecutive naturals, for example, 280450 + ... + 288471.

It is an arithmetic number, because the mean of its divisors is an integer number (218466048).

Almost surely, 2^2281942131 is an apocalyptic number.

2281942131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2281942131 is a deficient number, since it is larger than the sum of its proper divisors (1213514637).

2281942131 is a wasteful number, since it uses less digits than its factorization.

2281942131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569122.

The product of its digits is 6912, while the sum is 33.

The square root of 2281942131 is about 47769.6779453243. The cubic root of 2281942131 is about 1316.5424763992.

The spelling of 2281942131 in words is "two billion, two hundred eighty-one million, nine hundred forty-two thousand, one hundred thirty-one".