2144451031 has 2 divisors, whose sum is σ = 2144451032. Its totient is φ = 2144451030.

The previous prime is 2144451019. The next prime is 2144451041. The reversal of 2144451031 is 1301544412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2144451031 - 2⁹ = 2144450519 is a prime.

It is a super-2 number, since 2×2144451031² = 9197340448713925922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2144450987 and 2144451005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144451011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072225515 + 1072225516.

It is an arithmetic number, because the mean of its divisors is an integer number (1072225516).

Almost surely, 2^2144451031 is an apocalyptic number.

2144451031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144451031 is an equidigital number, since it uses as much as digits as its factorization.

2144451031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2144451031 is about 46308.2177480412. The cubic root of 2144451031 is about 1289.5515599702.

Adding to 2144451031 its reverse (1301544412), we get a palindrome (3445995443).

The spelling of 2144451031 in words is "two billion, one hundred forty-four million, four hundred fifty-one thousand, thirty-one".