2420344431111 has 4 divisors (see below), whose sum is σ = 3227125908152. Its totient is φ = 1613562954072.

The previous prime is 2420344431091. The next prime is 2420344431119. The reversal of 2420344431111 is 1111344430242.

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 2420344431111 - 2¹³ = 2420344422919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420344431119) 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, 403390738516 + ... + 403390738521.

It is an arithmetic number, because the mean of its divisors is an integer number (806781477038).

Almost surely, 2^{2420344431111} is an apocalyptic number.

2420344431111 is a deficient number, since it is larger than the sum of its proper divisors (806781477041).

2420344431111 is an equidigital number, since it uses as much as digits as its factorization.

2420344431111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806781477040.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 2420344431111 its reverse (1111344430242), we get a palindrome (3531688861353).

The spelling of 2420344431111 in words is "two trillion, four hundred twenty billion, three hundred forty-four million, four hundred thirty-one thousand, one hundred eleven".