1103100243231 has 16 divisors (see below), whose sum is σ = 1681793397504. Its totient is φ = 630013468224.

The previous prime is 1103100243187. The next prime is 1103100243233. The reversal of 1103100243231 is 1323420013011.

It is not a de Polignac number, because 1103100243231 - 2¹⁴ = 1103100226847 is a prime.

It is a super-2 number, since 2×1103100243231² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1103100243198 and 1103100243207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103100243233) 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, 13689201 + ... + 13769546.

It is an arithmetic number, because the mean of its divisors is an integer number (105112087344).

Almost surely, 2^{1103100243231} is an apocalyptic number.

1103100243231 is a deficient number, since it is larger than the sum of its proper divisors (578693154273).

1103100243231 is a wasteful number, since it uses less digits than its factorization.

1103100243231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27460670.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1103100243231 its reverse (1323420013011), we get a palindrome (2426520256242).

The spelling of 1103100243231 in words is "one trillion, one hundred three billion, one hundred million, two hundred forty-three thousand, two hundred thirty-one".