193031001 has 12 divisors (see below), whose sum is σ = 280671040. Its totient is φ = 127834200.

The previous prime is 193030963. The next prime is 193031011. The reversal of 193031001 is 100130391.

193031001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 193031001 - 2⁹ = 193030489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193031011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69661 + ... + 72378.

Almost surely, 2^193031001 is an apocalyptic number.

It is an amenable number.

193031001 is a deficient number, since it is larger than the sum of its proper divisors (87640039).

193031001 is a wasteful number, since it uses less digits than its factorization.

193031001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142196 (or 142193 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 193031001 is about 13893.5596950530. The cubic root of 193031001 is about 577.9305969437.

Adding to 193031001 its reverse (100130391), we get a palindrome (293161392).

The spelling of 193031001 in words is "one hundred ninety-three million, thirty-one thousand, one".