172069031 has 8 divisors (see below), whose sum is σ = 174588480. Its totient is φ = 169558272.

The previous prime is 172068973. The next prime is 172069033. The reversal of 172069031 is 130960271.

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

It is a cyclic number.

It is not a de Polignac number, because 172069031 - 2²² = 167874727 is a prime.

It is a super-2 number, since 2×172069031² = 59215502858557922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 172068985 and 172069003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172069033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45011 + ... + 48683.

It is an arithmetic number, because the mean of its divisors is an integer number (21823560).

Almost surely, 2^172069031 is an apocalyptic number.

172069031 is a deficient number, since it is larger than the sum of its proper divisors (2519449).

172069031 is an equidigital number, since it uses as much as digits as its factorization.

172069031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 172069031 is about 13117.5085667973. The cubic root of 172069031 is about 556.2041663030.

The spelling of 172069031 in words is "one hundred seventy-two million, sixty-nine thousand, thirty-one".