193031000 has 32 divisors (see below), whose sum is σ = 451694880. Its totient is φ = 77212000.

The previous prime is 193030963. The next prime is 193031011. The reversal of 193031000 is 130391.

It is a super-2 number, since 2×193031000² = 74521933922000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 193031000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95516 + ... + 97515.

It is an arithmetic number, because the mean of its divisors is an integer number (14115465).

Almost surely, 2^193031000 is an apocalyptic number.

193031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193031000 is an abundant number, since it is smaller than the sum of its proper divisors (258663880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

193031000 is a wasteful number, since it uses less digits than its factorization.

193031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193052 (or 193038 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 193031000 is about 13893.5596590651. The cubic root of 193031000 is about 577.9305959457.

Adding to 193031000 its reverse (130391), we get a palindrome (193161391).

The spelling of 193031000 in words is "one hundred ninety-three million, thirty-one thousand".