43275212131 has 2 divisors, whose sum is σ = 43275212132. Its totient is φ = 43275212130.

The previous prime is 43275212119. The next prime is 43275212143. The reversal of 43275212131 is 13121257234.

43275212131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (43275212119) and next prime (43275212143).

It is a cyclic number.

It is not a de Polignac number, because 43275212131 - 2⁹ = 43275211619 is a prime.

It is a super-2 number, since 2×43275212131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43275212093 and 43275212102.

It is not a weakly prime, because it can be changed into another prime (43275212111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21637606065 + 21637606066.

It is an arithmetic number, because the mean of its divisors is an integer number (21637606066).

Almost surely, 2^43275212131 is an apocalyptic number.

43275212131 is a deficient number, since it is larger than the sum of its proper divisors (1).

43275212131 is an equidigital number, since it uses as much as digits as its factorization.

43275212131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

Adding to 43275212131 its reverse (13121257234), we get a palindrome (56396469365).

The spelling of 43275212131 in words is "forty-three billion, two hundred seventy-five million, two hundred twelve thousand, one hundred thirty-one".