2431431020 has 12 divisors (see below), whose sum is σ = 5106005184. Its totient is φ = 972572400.

The previous prime is 2431431017. The next prime is 2431431031. The reversal of 2431431020 is 201341342.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 121571551 = 2431431020 / (2 + 4 + 3 + 1 + 4 + 3 + 1 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2431430983 and 2431431001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60785756 + ... + 60785795.

It is an arithmetic number, because the mean of its divisors is an integer number (425500432).

Almost surely, 2^2431431020 is an apocalyptic number.

2431431020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2431431020 is an abundant number, since it is smaller than the sum of its proper divisors (2674574164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2431431020 is a wasteful number, since it uses less digits than its factorization.

2431431020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121571560 (or 121571558 counting only the distinct ones).

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

The square root of 2431431020 is about 49309.5428897896. The cubic root of 2431431020 is about 1344.6852808137.

Adding to 2431431020 its reverse (201341342), we get a palindrome (2632772362).

The spelling of 2431431020 in words is "two billion, four hundred thirty-one million, four hundred thirty-one thousand, twenty".