2420343213231 has 4 divisors (see below), whose sum is σ = 3227124284312. Its totient is φ = 1613562142152.

The previous prime is 2420343213199. The next prime is 2420343213251. The reversal of 2420343213231 is 1323123430242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2420343213231 - 2⁵ = 2420343213199 is a prime.

It is a super-2 number, since 2×2420343213231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420343213251) 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, 403390535536 + ... + 403390535541.

It is an arithmetic number, because the mean of its divisors is an integer number (806781071078).

Almost surely, 2^{2420343213231} is an apocalyptic number.

2420343213231 is a deficient number, since it is larger than the sum of its proper divisors (806781071081).

2420343213231 is an equidigital number, since it uses as much as digits as its factorization.

2420343213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806781071080.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 2420343213231 its reverse (1323123430242), we get a palindrome (3743466643473).

The spelling of 2420343213231 in words is "two trillion, four hundred twenty billion, three hundred forty-three million, two hundred thirteen thousand, two hundred thirty-one".