172331027242 has 32 divisors (see below), whose sum is σ = 282438658944. Its totient is φ = 78209510400.

The previous prime is 172331027213. The next prime is 172331027243. The reversal of 172331027242 is 242720133271.

It is a super-2 number, since 2×172331027242² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 172331027198 and 172331027207.

It is not an unprimeable number, because it can be changed into a prime (172331027243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68356942 + ... + 68359462.

It is an arithmetic number, because the mean of its divisors is an integer number (8826208092).

Almost surely, 2^172331027242 is an apocalyptic number.

172331027242 is a deficient number, since it is larger than the sum of its proper divisors (110107631702).

172331027242 is a wasteful number, since it uses less digits than its factorization.

172331027242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174.

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 172331027242 in words is "one hundred seventy-two billion, three hundred thirty-one million, twenty-seven thousand, two hundred forty-two".