2421342003431 has 16 divisors (see below), whose sum is σ = 2615475871008. Its totient is φ = 2228341641600.

The previous prime is 2421342003361. The next prime is 2421342003497. The reversal of 2421342003431 is 1343002431242.

It is a cyclic number.

It is not a de Polignac number, because 2421342003431 - 2³⁴ = 2404162134247 is a prime.

It is a super-2 number, since 2×2421342003431² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2421342003394 and 2421342003403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421342003131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6906680 + ... + 7248786.

It is an arithmetic number, because the mean of its divisors is an integer number (163467241938).

Almost surely, 2^{2421342003431} is an apocalyptic number.

2421342003431 is a deficient number, since it is larger than the sum of its proper divisors (194133867577).

2421342003431 is a wasteful number, since it uses less digits than its factorization.

2421342003431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343762.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2421342003431 its reverse (1343002431242), we get a palindrome (3764344434673).

The spelling of 2421342003431 in words is "two trillion, four hundred twenty-one billion, three hundred forty-two million, three thousand, four hundred thirty-one".