1103299981 has 16 divisors (see below), whose sum is σ = 1278892800. Its totient is φ = 932266368.

The previous prime is 1103299957. The next prime is 1103299987. The reversal of 1103299981 is 1899923011.

It is a cyclic number.

It is not a de Polignac number, because 1103299981 - 2¹¹ = 1103297933 is a prime.

It is a super-2 number, since 2×1103299981² = 2434541696149200722, 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 (1103299987) 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, 221191 + ... + 226123.

It is an arithmetic number, because the mean of its divisors is an integer number (79930800).

Almost surely, 2^1103299981 is an apocalyptic number.

It is an amenable number.

1103299981 is a deficient number, since it is larger than the sum of its proper divisors (175592819).

1103299981 is an equidigital number, since it uses as much as digits as its factorization.

1103299981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388.

The product of its (nonzero) digits is 34992, while the sum is 43.

The square root of 1103299981 is about 33215.9597332367. The cubic root of 1103299981 is about 1033.3113590772.

The spelling of 1103299981 in words is "one billion, one hundred three million, two hundred ninety-nine thousand, nine hundred eighty-one".