2320535431 has 4 divisors (see below), whose sum is σ = 2359866600. Its totient is φ = 2281204264.

The previous prime is 2320535423. The next prime is 2320535443. The reversal of 2320535431 is 1345350232.

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 2320535431 - 2³ = 2320535423 is a prime.

It is a super-2 number, since 2×2320535431² = 10769769373052711522, 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 2320535431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320535731) 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, 19665496 + ... + 19665613.

It is an arithmetic number, because the mean of its divisors is an integer number (589966650).

Almost surely, 2^2320535431 is an apocalyptic number.

2320535431 is a deficient number, since it is larger than the sum of its proper divisors (39331169).

2320535431 is an equidigital number, since it uses as much as digits as its factorization.

2320535431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39331168.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 2320535431 is about 48171.9361350569. The cubic root of 2320535431 is about 1323.9230229934.

Adding to 2320535431 its reverse (1345350232), we get a palindrome (3665885663).

The spelling of 2320535431 in words is "two billion, three hundred twenty million, five hundred thirty-five thousand, four hundred thirty-one".