2113330433431 has 16 divisors (see below), whose sum is σ = 2594237152000. Its totient is φ = 1716087865464.

The previous prime is 2113330433399. The next prime is 2113330433527. The reversal of 2113330433431 is 1343340333112.

It is not a de Polignac number, because 2113330433431 - 2⁵ = 2113330433399 is a prime.

It is a super-2 number, since 2×2113330433431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113330433393 and 2113330433402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113330433131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162133305 + ... + 162146338.

It is an arithmetic number, because the mean of its divisors is an integer number (162139822000).

Almost surely, 2^{2113330433431} is an apocalyptic number.

2113330433431 is a deficient number, since it is larger than the sum of its proper divisors (480906718569).

2113330433431 is an equidigital number, since it uses as much as digits as its factorization.

2113330433431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324279683 (or 324279669 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 2113330433431 its reverse (1343340333112), we get a palindrome (3456670766543).

The spelling of 2113330433431 in words is "two trillion, one hundred thirteen billion, three hundred thirty million, four hundred thirty-three thousand, four hundred thirty-one".