1103225131 has 4 divisors (see below), whose sum is σ = 1103674792. Its totient is φ = 1102775472.

The previous prime is 1103225119. The next prime is 1103225141. The reversal of 1103225131 is 1315223011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1315223011 = 193 ⋅6814627.

It is a cyclic number.

It is not a de Polignac number, because 1103225131 - 2⁷ = 1103225003 is a prime.

It is a super-2 number, since 2×1103225131² = 2434211379339934322, 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 = 1103225099 and 1103225108.

It is not an unprimeable number, because it can be changed into a prime (1103225111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221130 + ... + 226063.

It is an arithmetic number, because the mean of its divisors is an integer number (275918698).

Almost surely, 2^1103225131 is an apocalyptic number.

1103225131 is a deficient number, since it is larger than the sum of its proper divisors (449661).

1103225131 is an equidigital number, since it uses as much as digits as its factorization.

1103225131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449660.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1103225131 is about 33214.8329967200. The cubic root of 1103225131 is about 1033.2879912698.

Adding to 1103225131 its reverse (1315223011), we get a palindrome (2418448142).

It can be divided in two parts, 11032 and 25131, that added together give a palindrome (36163).

The spelling of 1103225131 in words is "one billion, one hundred three million, two hundred twenty-five thousand, one hundred thirty-one".