2421332031 has 4 divisors (see below), whose sum is σ = 3228442712. Its totient is φ = 1614221352.

The previous prime is 2421332027. The next prime is 2421332033. The reversal of 2421332031 is 1302331242.

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

It is not a de Polignac number, because 2421332031 - 2² = 2421332027 is a prime.

It is a super-2 number, since 2×2421332031² = 11725697608693169922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2421331989 and 2421332007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421332033) 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, 403555336 + ... + 403555341.

It is an arithmetic number, because the mean of its divisors is an integer number (807110678).

Almost surely, 2^2421332031 is an apocalyptic number.

2421332031 is a deficient number, since it is larger than the sum of its proper divisors (807110681).

2421332031 is an equidigital number, since it uses as much as digits as its factorization.

2421332031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807110680.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2421332031 is about 49207.0323327876. The cubic root of 2421332031 is about 1342.8209730891.

Adding to 2421332031 its reverse (1302331242), we get a palindrome (3723663273).

The spelling of 2421332031 in words is "two billion, four hundred twenty-one million, three hundred thirty-two thousand, thirty-one".