2421131312043 has 12 divisors (see below), whose sum is σ = 3533243176008. Its totient is φ = 1597447463040.

The previous prime is 2421131311967. The next prime is 2421131312053. The reversal of 2421131312043 is 3402131311242.

2421131312043 is a `hidden beast` number, since 2 + 421 + 1 + 3 + 1 + 31 + 204 + 3 = 666.

It is not a de Polignac number, because 2421131312043 - 2⁸ = 2421131311787 is a prime.

It is a super-3 number, since 3×2421131312043³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2421131311998 and 2421131312016.

It is not an unprimeable number, because it can be changed into a prime (2421131312053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1386672273 + ... + 1386674018.

It is an arithmetic number, because the mean of its divisors is an integer number (294436931334).

Almost surely, 2^{2421131312043} is an apocalyptic number.

2421131312043 is a deficient number, since it is larger than the sum of its proper divisors (1112111863965).

2421131312043 is a wasteful number, since it uses less digits than its factorization.

2421131312043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773346394 (or 2773346391 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 2421131312043 its reverse (3402131311242), we get a palindrome (5823262623285).

The spelling of 2421131312043 in words is "two trillion, four hundred twenty-one billion, one hundred thirty-one million, three hundred twelve thousand, forty-three".