40166102131 has 2 divisors, whose sum is σ = 40166102132. Its totient is φ = 40166102130.

The previous prime is 40166102083. The next prime is 40166102213. The reversal of 40166102131 is 13120166104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40166102131 - 2¹⁷ = 40165971059 is a prime.

It is a super-2 number, since 2×40166102131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40166102096 and 40166102105.

It is not a weakly prime, because it can be changed into another prime (40166100131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20083051065 + 20083051066.

It is an arithmetic number, because the mean of its divisors is an integer number (20083051066).

Almost surely, 2^40166102131 is an apocalyptic number.

40166102131 is a deficient number, since it is larger than the sum of its proper divisors (1).

40166102131 is an equidigital number, since it uses as much as digits as its factorization.

40166102131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 40166102131 its reverse (13120166104), we get a palindrome (53286268235).

The spelling of 40166102131 in words is "forty billion, one hundred sixty-six million, one hundred two thousand, one hundred thirty-one".