2113430131 has 2 divisors, whose sum is σ = 2113430132. Its totient is φ = 2113430130.

The previous prime is 2113430101. The next prime is 2113430147. The reversal of 2113430131 is 1310343112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113430131 is a prime.

It is a super-2 number, since 2×2113430131² = 8933173837237354322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2113430099 and 2113430108.

It is not a weakly prime, because it can be changed into another prime (2113430101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056715065 + 1056715066.

It is an arithmetic number, because the mean of its divisors is an integer number (1056715066).

Almost surely, 2^2113430131 is an apocalyptic number.

2113430131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113430131 is an equidigital number, since it uses as much as digits as its factorization.

2113430131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2113430131 is about 45972.0581549271. The cubic root of 2113430131 is about 1283.3032622552.

Adding to 2113430131 its reverse (1310343112), we get a palindrome (3423773243).

The spelling of 2113430131 in words is "two billion, one hundred thirteen million, four hundred thirty thousand, one hundred thirty-one".