2113335431 has 4 divisors (see below), whose sum is σ = 2122564200. Its totient is φ = 2104106664.

The previous prime is 2113335421. The next prime is 2113335461. The reversal of 2113335431 is 1345333112.

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 2113335431 - 2¹⁰ = 2113334407 is a prime.

It is a super-2 number, since 2×2113335431² = 8932373287839911522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113335431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113335421) 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, 4614041 + ... + 4614498.

It is an arithmetic number, because the mean of its divisors is an integer number (530641050).

Almost surely, 2^2113335431 is an apocalyptic number.

2113335431 is a deficient number, since it is larger than the sum of its proper divisors (9228769).

2113335431 is an equidigital number, since it uses as much as digits as its factorization.

2113335431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9228768.

The product of its digits is 3240, while the sum is 26.

The square root of 2113335431 is about 45971.0281699246. The cubic root of 2113335431 is about 1283.2840942634.

Adding to 2113335431 its reverse (1345333112), we get a palindrome (3458668543).

The spelling of 2113335431 in words is "two billion, one hundred thirteen million, three hundred thirty-five thousand, four hundred thirty-one".