1103201231 has 4 divisors (see below), whose sum is σ = 1203492264. Its totient is φ = 1002910200.

The previous prime is 1103201219. The next prime is 1103201257. The reversal of 1103201231 is 1321023011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1103201231 - 2⁶ = 1103201167 is a prime.

It is a super-2 number, since 2×1103201231² = 2434105912159830722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103201291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50145500 + ... + 50145521.

It is an arithmetic number, because the mean of its divisors is an integer number (300873066).

Almost surely, 2^1103201231 is an apocalyptic number.

1103201231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1103201231 is a deficient number, since it is larger than the sum of its proper divisors (100291033).

1103201231 is a wasteful number, since it uses less digits than its factorization.

1103201231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100291032.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1103201231 is about 33214.4732157534. The cubic root of 1103201231 is about 1033.2805295829.

Adding to 1103201231 its reverse (1321023011), we get a palindrome (2424224242).

The spelling of 1103201231 in words is "one billion, one hundred three million, two hundred one thousand, two hundred thirty-one".