108541445431 has 2 divisors, whose sum is σ = 108541445432. Its totient is φ = 108541445430.

The previous prime is 108541445359. The next prime is 108541445449. The reversal of 108541445431 is 134544145801.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108541445431 - 2²⁷ = 108407227703 is a prime.

It is a super-2 number, since 2×108541445431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108541445471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54270722715 + 54270722716.

It is an arithmetic number, because the mean of its divisors is an integer number (54270722716).

Almost surely, 2^108541445431 is an apocalyptic number.

108541445431 is a deficient number, since it is larger than the sum of its proper divisors (1).

108541445431 is an equidigital number, since it uses as much as digits as its factorization.

108541445431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 108541445431 in words is "one hundred eight billion, five hundred forty-one million, four hundred forty-five thousand, four hundred thirty-one".