170358423431 has 6 divisors (see below), whose sum is σ = 198172043640. Its totient is φ = 146021505756.

The previous prime is 170358423413. The next prime is 170358423437. The reversal of 170358423431 is 134324853071.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-170358423431 is a prime.

It is a super-2 number, since 2×170358423431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170358423437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1738351211 + ... + 1738351308.

It is an arithmetic number, because the mean of its divisors is an integer number (33028673940).

Almost surely, 2^170358423431 is an apocalyptic number.

170358423431 is a deficient number, since it is larger than the sum of its proper divisors (27813620209).

170358423431 is an equidigital number, since it uses as much as digits as its factorization.

170358423431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476702533 (or 3476702526 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 170358423431 in words is "one hundred seventy billion, three hundred fifty-eight million, four hundred twenty-three thousand, four hundred thirty-one".