2431251321541 has 6 divisors (see below), whose sum is σ = 2828190312870. Its totient is φ = 2083929704136.

The previous prime is 2431251321493. The next prime is 2431251321553. The reversal of 2431251321541 is 1451231521342.

It can be written as a sum of positive squares in only one way, i.e., 1250530029441 + 1180721292100 = 1118271^2 + 1086610^2 .

It is not a de Polignac number, because 2431251321541 - 2⁷ = 2431251321413 is a prime.

It is a super-2 number, since 2×2431251321541² (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 = 2431251321497 and 2431251321506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431251321571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24808686906 + ... + 24808687003.

It is an arithmetic number, because the mean of its divisors is an integer number (471365052145).

Almost surely, 2^{2431251321541} is an apocalyptic number.

It is an amenable number.

2431251321541 is a deficient number, since it is larger than the sum of its proper divisors (396938991329).

2431251321541 is an equidigital number, since it uses as much as digits as its factorization.

2431251321541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49617373923 (or 49617373916 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

Adding to 2431251321541 its reverse (1451231521342), we get a palindrome (3882482842883).

The spelling of 2431251321541 in words is "two trillion, four hundred thirty-one billion, two hundred fifty-one million, three hundred twenty-one thousand, five hundred forty-one".