172313030 has 8 divisors (see below), whose sum is σ = 310163472. Its totient is φ = 68925208.

The previous prime is 172313027. The next prime is 172313051. The reversal of 172313030 is 30313271.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 172312993 and 172313011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8615642 + ... + 8615661.

It is an arithmetic number, because the mean of its divisors is an integer number (38770434).

Almost surely, 2^172313030 is an apocalyptic number.

172313030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172313030 is a deficient number, since it is larger than the sum of its proper divisors (137850442).

172313030 is a wasteful number, since it uses less digits than its factorization.

172313030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17231310.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 172313030 is about 13126.8057805393. The cubic root of 172313030 is about 556.4669468115.

The spelling of 172313030 in words is "one hundred seventy-two million, three hundred thirteen thousand, thirty".