173144431430 has 16 divisors (see below), whose sum is σ = 311672394864. Its totient is φ = 69255012960.

The previous prime is 173144431417. The next prime is 173144431459. The reversal of 173144431430 is 34134441371.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71081 + ... + 592740.

It is an arithmetic number, because the mean of its divisors is an integer number (19479524679).

Almost surely, 2^173144431430 is an apocalyptic number.

173144431430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

173144431430 is a deficient number, since it is larger than the sum of its proper divisors (138527963434).

173144431430 is a wasteful number, since it uses less digits than its factorization.

173144431430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689911.

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 173144431430 in words is "one hundred seventy-three billion, one hundred forty-four million, four hundred thirty-one thousand, four hundred thirty".