2420312231 has 4 divisors (see below), whose sum is σ = 2443810512. Its totient is φ = 2396813952.

The previous prime is 2420312203. The next prime is 2420312239. The reversal of 2420312231 is 1322130242.

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 2420312231 - 2¹⁰ = 2420311207 is a prime.

It is a super-2 number, since 2×2420312231² = 11715822591056394722, which 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 (2420312239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11748986 + ... + 11749191.

It is an arithmetic number, because the mean of its divisors is an integer number (610952628).

Almost surely, 2^2420312231 is an apocalyptic number.

2420312231 is a deficient number, since it is larger than the sum of its proper divisors (23498281).

2420312231 is a wasteful number, since it uses less digits than its factorization.

2420312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23498280.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2420312231 is about 49196.6689014612. The cubic root of 2420312231 is about 1342.6324265772.

Adding to 2420312231 its reverse (1322130242), we get a palindrome (3742442473).

The spelling of 2420312231 in words is "two billion, four hundred twenty million, three hundred twelve thousand, two hundred thirty-one".