172311482302 has 8 divisors (see below), whose sum is σ = 260353845936. Its totient is φ = 85526866992.

The previous prime is 172311482257. The next prime is 172311482327. The reversal of 172311482302 is 203284113271.

172311482302 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×172311482302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314436738 + ... + 314437285.

It is an arithmetic number, because the mean of its divisors is an integer number (32544230742).

Almost surely, 2^172311482302 is an apocalyptic number.

172311482302 is a deficient number, since it is larger than the sum of its proper divisors (88042363634).

172311482302 is a wasteful number, since it uses less digits than its factorization.

172311482302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628874162.

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 172311482302 its reverse (203284113271), we get a palindrome (375595595573).

The spelling of 172311482302 in words is "one hundred seventy-two billion, three hundred eleven million, four hundred eighty-two thousand, three hundred two".