2420631631 has 4 divisors (see below), whose sum is σ = 2640689064. Its totient is φ = 2200574200.

The previous prime is 2420631607. The next prime is 2420631679. The reversal of 2420631631 is 1361360242.

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

It is not a de Polignac number, because 2420631631 - 2⁵ = 2420631599 is a prime.

It is a super-2 number, since 2×2420631631² = 11718914985995440322, 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 2420631631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420631691) 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, 110028700 + ... + 110028721.

It is an arithmetic number, because the mean of its divisors is an integer number (660172266).

Almost surely, 2^2420631631 is an apocalyptic number.

2420631631 is a deficient number, since it is larger than the sum of its proper divisors (220057433).

2420631631 is a wasteful number, since it uses less digits than its factorization.

2420631631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220057432.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2420631631 is about 49199.9149491135. The cubic root of 2420631631 is about 1342.6914847886.

Adding to 2420631631 its reverse (1361360242), we get a palindrome (3781991873).

The spelling of 2420631631 in words is "two billion, four hundred twenty million, six hundred thirty-one thousand, six hundred thirty-one".