10131040213421 has 2 divisors, whose sum is σ = 10131040213422. Its totient is φ = 10131040213420.

The previous prime is 10131040213391. The next prime is 10131040213471. The reversal of 10131040213421 is 12431204013101.

10131040213421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8170942212196 + 1960098001225 = 2858486^2 + 1400035^2 .

It is an emirp because it is prime and its reverse (12431204013101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10131040213421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10131040213471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065520106710 + 5065520106711.

It is an arithmetic number, because the mean of its divisors is an integer number (5065520106711).

Almost surely, 2^{10131040213421} is an apocalyptic number.

It is an amenable number.

10131040213421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10131040213421 is an equidigital number, since it uses as much as digits as its factorization.

10131040213421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 10131040213421 its reverse (12431204013101), we get a palindrome (22562244226522).

The spelling of 10131040213421 in words is "ten trillion, one hundred thirty-one billion, forty million, two hundred thirteen thousand, four hundred twenty-one".