2102401331 has 2 divisors, whose sum is σ = 2102401332. Its totient is φ = 2102401330.

The previous prime is 2102401277. The next prime is 2102401393. The reversal of 2102401331 is 1331042012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102401331 - 2¹⁸ = 2102139187 is a prime.

It is a super-2 number, since 2×2102401331² = 8840182713181143122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2102401031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051200665 + 1051200666.

It is an arithmetic number, because the mean of its divisors is an integer number (1051200666).

Almost surely, 2^2102401331 is an apocalyptic number.

2102401331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102401331 is an equidigital number, since it uses as much as digits as its factorization.

2102401331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2102401331 is about 45851.9501330096. The cubic root of 2102401331 is about 1281.0670892854.

Adding to 2102401331 its reverse (1331042012), we get a palindrome (3433443343).

The spelling of 2102401331 in words is "two billion, one hundred two million, four hundred one thousand, three hundred thirty-one".