203411130 has 32 divisors (see below), whose sum is σ = 525740544. Its totient is φ = 50070336.

The previous prime is 203411101. The next prime is 203411141. The reversal of 203411130 is 31114302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260394 + ... + 261173.

It is an arithmetic number, because the mean of its divisors is an integer number (16429392).

Almost surely, 2^203411130 is an apocalyptic number.

203411130 is an abundant number, since it is smaller than the sum of its proper divisors (322329414).

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

203411130 is a wasteful number, since it uses less digits than its factorization.

203411130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521590.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 203411130 is about 14262.2273856505. The cubic root of 203411130 is about 588.1095577706.

Adding to 203411130 its reverse (31114302), we get a palindrome (234525432).

The spelling of 203411130 in words is "two hundred three million, four hundred eleven thousand, one hundred thirty".