2521431012431 has 8 divisors (see below), whose sum is σ = 2560310950704. Its totient is φ = 2482587740160.

The previous prime is 2521431012377. The next prime is 2521431012557. The reversal of 2521431012431 is 1342101341252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2521431012431 - 2¹⁸ = 2521430750287 is a prime.

It is a super-2 number, since 2×2521431012431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2521431012394 and 2521431012403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521431032431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9027890 + ... + 9302991.

It is an arithmetic number, because the mean of its divisors is an integer number (320038868838).

Almost surely, 2^{2521431012431} is an apocalyptic number.

2521431012431 is a deficient number, since it is larger than the sum of its proper divisors (38879938273).

2521431012431 is a wasteful number, since it uses less digits than its factorization.

2521431012431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18333001.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 2521431012431 its reverse (1342101341252), we get a palindrome (3863532353683).

The spelling of 2521431012431 in words is "two trillion, five hundred twenty-one billion, four hundred thirty-one million, twelve thousand, four hundred thirty-one".