2141187331 has 2 divisors, whose sum is σ = 2141187332. Its totient is φ = 2141187330.

The previous prime is 2141187317. The next prime is 2141187359. The reversal of 2141187331 is 1337811412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2141187331 - 2¹⁵ = 2141154563 is a prime.

It is a super-2 number, since 2×2141187331² = 9169366372869807122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2141187293 and 2141187302.

It is not a weakly prime, because it can be changed into another prime (2141187371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070593665 + 1070593666.

It is an arithmetic number, because the mean of its divisors is an integer number (1070593666).

Almost surely, 2^2141187331 is an apocalyptic number.

2141187331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141187331 is an equidigital number, since it uses as much as digits as its factorization.

2141187331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

The square root of 2141187331 is about 46272.9654441986. The cubic root of 2141187331 is about 1288.8970262783.

Adding to 2141187331 its reverse (1337811412), we get a palindrome (3478998743).

The spelling of 2141187331 in words is "two billion, one hundred forty-one million, one hundred eighty-seven thousand, three hundred thirty-one".