2421503431000 has 128 divisors (see below), whose sum is σ = 5970848644800. Its totient is φ = 916652620800.

The previous prime is 2421503430949. The next prime is 2421503431043. The reversal of 2421503431000 is 1343051242.

It is a super-2 number, since 2×2421503431000² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18040134 + ... + 18173866.

Almost surely, 2^{2421503431000} is an apocalyptic number.

2421503431000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421503431000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2985424322400).

2421503431000 is an abundant number, since it is smaller than the sum of its proper divisors (3549345213800).

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

2421503431000 is a wasteful number, since it uses less digits than its factorization.

2421503431000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134726 (or 134712 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 2421503431000 its reverse (1343051242), we get a palindrome (2422846482242).

The spelling of 2421503431000 in words is "two trillion, four hundred twenty-one billion, five hundred three million, four hundred thirty-one thousand".