2113134451 has 2 divisors, whose sum is σ = 2113134452. Its totient is φ = 2113134450.

The previous prime is 2113134449. The next prime is 2113134461. The reversal of 2113134451 is 1544313112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2113134451 - 2¹ = 2113134449 is a prime.

Together with 2113134449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2113134461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056567225 + 1056567226.

It is an arithmetic number, because the mean of its divisors is an integer number (1056567226).

Almost surely, 2^2113134451 is an apocalyptic number.

2113134451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113134451 is an equidigital number, since it uses as much as digits as its factorization.

2113134451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 2113134451 is about 45968.8421759783. The cubic root of 2113134451 is about 1283.2434125036.

Adding to 2113134451 its reverse (1544313112), we get a palindrome (3657447563).

The spelling of 2113134451 in words is "two billion, one hundred thirteen million, one hundred thirty-four thousand, four hundred fifty-one".