2102242331 has 4 divisors (see below), whose sum is σ = 2402562672. Its totient is φ = 1801921992.

The previous prime is 2102242301. The next prime is 2102242349. The reversal of 2102242331 is 1332422012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102242331 - 2¹⁰ = 2102241307 is a prime.

It is a super-2 number, since 2×2102242331² = 8838845636496627122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102242301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150160160 + ... + 150160173.

It is an arithmetic number, because the mean of its divisors is an integer number (600640668).

Almost surely, 2^2102242331 is an apocalyptic number.

2102242331 is a deficient number, since it is larger than the sum of its proper divisors (300320341).

2102242331 is an equidigital number, since it uses as much as digits as its factorization.

2102242331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300320340.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2102242331 is about 45850.2162590320. The cubic root of 2102242331 is about 1281.0347937068.

Adding to 2102242331 its reverse (1332422012), we get a palindrome (3434664343).

The spelling of 2102242331 in words is "two billion, one hundred two million, two hundred forty-two thousand, three hundred thirty-one".