2142045331 has 2 divisors, whose sum is σ = 2142045332. Its totient is φ = 2142045330.

The previous prime is 2142045253. The next prime is 2142045337. The reversal of 2142045331 is 1335402412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2142045331 - 2¹⁷ = 2141914259 is a prime.

It is a super-2 number, since 2×2142045331² = 9176716400117799122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2142045296 and 2142045305.

It is not a weakly prime, because it can be changed into another prime (2142045337) 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 as a sum of consecutive naturals, namely, 1071022665 + 1071022666.

It is an arithmetic number, because the mean of its divisors is an integer number (1071022666).

Almost surely, 2^2142045331 is an apocalyptic number.

2142045331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142045331 is an equidigital number, since it uses as much as digits as its factorization.

2142045331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2142045331 is about 46282.2355877501. The cubic root of 2142045331 is about 1289.0691622319.

Adding to 2142045331 its reverse (1335402412), we get a palindrome (3477447743).

The spelling of 2142045331 in words is "two billion, one hundred forty-two million, forty-five thousand, three hundred thirty-one".