172300313011 has 16 divisors (see below), whose sum is σ = 181937141568. Its totient is φ = 162853891200.

The previous prime is 172300312979. The next prime is 172300313041. The reversal of 172300313011 is 110313003271.

It is a cyclic number.

It is not a de Polignac number, because 172300313011 - 2⁵ = 172300312979 is a prime.

It is a super-2 number, since 2×172300313011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172300313041) 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, 521781 + ... + 785401.

It is an arithmetic number, because the mean of its divisors is an integer number (11371071348).

Almost surely, 2^172300313011 is an apocalyptic number.

172300313011 is a deficient number, since it is larger than the sum of its proper divisors (9636828557).

172300313011 is a wasteful number, since it uses less digits than its factorization.

172300313011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263982.

The product of its (nonzero) digits is 378, while the sum is 22.

Adding to 172300313011 its reverse (110313003271), we get a palindrome (282613316282).

The spelling of 172300313011 in words is "one hundred seventy-two billion, three hundred million, three hundred thirteen thousand, eleven".