109431052029 has 32 divisors (see below), whose sum is σ = 175965655040. Its totient is φ = 66811905216.

The previous prime is 109431051971. The next prime is 109431052051. The reversal of 109431052029 is 920250134901.

109431052029 is a `hidden beast` number, since 10 + 9 + 431 + 0 + 5 + 202 + 9 = 666.

It is not a de Polignac number, because 109431052029 - 2⁷ = 109431051901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109431051984 and 109431052002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109431052429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1182862 + ... + 1272015.

It is an arithmetic number, because the mean of its divisors is an integer number (5498926720).

Almost surely, 2^109431052029 is an apocalyptic number.

It is an amenable number.

109431052029 is a deficient number, since it is larger than the sum of its proper divisors (66534603011).

109431052029 is a wasteful number, since it uses less digits than its factorization.

109431052029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455026 (or 2455020 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 109431052029 in words is "one hundred nine billion, four hundred thirty-one million, fifty-two thousand, twenty-nine".