2111454131 has 2 divisors, whose sum is σ = 2111454132. Its totient is φ = 2111454130.

The previous prime is 2111454109. The next prime is 2111454139. The reversal of 2111454131 is 1314541112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111454131 is a prime.

It is a super-2 number, since 2×2111454131² = 8916477094633930322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2111454097 and 2111454106.

It is not a weakly prime, because it can be changed into another prime (2111454139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055727065 + 1055727066.

It is an arithmetic number, because the mean of its divisors is an integer number (1055727066).

Almost surely, 2^2111454131 is an apocalyptic number.

2111454131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111454131 is an equidigital number, since it uses as much as digits as its factorization.

2111454131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 23.

The square root of 2111454131 is about 45950.5618137581. The cubic root of 2111454131 is about 1282.9031862645.

Adding to 2111454131 its reverse (1314541112), we get a palindrome (3425995243).

The spelling of 2111454131 in words is "two billion, one hundred eleven million, four hundred fifty-four thousand, one hundred thirty-one".