190331103 has 16 divisors (see below), whose sum is σ = 262434816. Its totient is φ = 122572320.

The previous prime is 190331077. The next prime is 190331107. The reversal of 190331103 is 301133091.

It is not a de Polignac number, because 190331103 - 2¹⁶ = 190265567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190331103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190331107) 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, 61450 + ... + 64472.

It is an arithmetic number, because the mean of its divisors is an integer number (16402176).

Almost surely, 2^190331103 is an apocalyptic number.

190331103 is a deficient number, since it is larger than the sum of its proper divisors (72103713).

190331103 is a wasteful number, since it uses less digits than its factorization.

190331103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734.

The product of its (nonzero) digits is 243, while the sum is 21.

The square root of 190331103 is about 13796.0538923273. The cubic root of 190331103 is about 575.2234574458.

Adding to 190331103 its reverse (301133091), we get a palindrome (491464194).

The spelling of 190331103 in words is "one hundred ninety million, three hundred thirty-one thousand, one hundred three".