189553031 has 8 divisors (see below), whose sum is σ = 192572928. Its totient is φ = 186543000.

The previous prime is 189552991. The next prime is 189553033. The reversal of 189553031 is 130355981.

189553031 is digitally balanced in base 2, because in such base 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 cyclic number.

It is not a de Polignac number, because 189553031 - 2¹⁸ = 189290887 is a prime.

It is a super-2 number, since 2×189553031² = 71860703122573922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189552982 and 189553000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189553033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42686 + ... + 46916.

It is an arithmetic number, because the mean of its divisors is an integer number (24071616).

Almost surely, 2^189553031 is an apocalyptic number.

189553031 is a deficient number, since it is larger than the sum of its proper divisors (3019897).

189553031 is an equidigital number, since it uses as much as digits as its factorization.

189553031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 189553031 is about 13767.8259358549. The cubic root of 189553031 is about 574.4385506371.

The spelling of 189553031 in words is "one hundred eighty-nine million, five hundred fifty-three thousand, thirty-one".