103204131 has 16 divisors (see below), whose sum is σ = 140252928. Its totient is φ = 67485600.

The previous prime is 103204111. The next prime is 103204223. The reversal of 103204131 is 131402301.

It is not a de Polignac number, because 103204131 - 2¹⁵ = 103171363 is a prime.

It is a super-2 number, since 2×103204131² = 21302185310930322, 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 103204131.

It is not an unprimeable number, because it can be changed into a prime (103204111) 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, 99586 + ... + 100616.

It is an arithmetic number, because the mean of its divisors is an integer number (8765808).

Almost surely, 2^103204131 is an apocalyptic number.

103204131 is a deficient number, since it is larger than the sum of its proper divisors (37048797).

103204131 is a wasteful number, since it uses less digits than its factorization.

103204131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642.

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

The square root of 103204131 is about 10158.9433997833. The cubic root of 103204131 is about 469.0642783439.

Adding to 103204131 its reverse (131402301), we get a palindrome (234606432).

The spelling of 103204131 in words is "one hundred three million, two hundred four thousand, one hundred thirty-one".