1202311103 has 4 divisors (see below), whose sum is σ = 1374069840. Its totient is φ = 1030552368.

The previous prime is 1202311091. The next prime is 1202311109. The reversal of 1202311103 is 3011132021.

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 1202311103 - 2¹⁶ = 1202245567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202311109) 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, 85879358 + ... + 85879371.

It is an arithmetic number, because the mean of its divisors is an integer number (343517460).

Almost surely, 2^1202311103 is an apocalyptic number.

1202311103 is a deficient number, since it is larger than the sum of its proper divisors (171758737).

1202311103 is an equidigital number, since it uses as much as digits as its factorization.

1202311103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171758736.

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

The square root of 1202311103 is about 34674.3580041506. The cubic root of 1202311103 is about 1063.3403298664.

Adding to 1202311103 its reverse (3011132021), we get a palindrome (4213443124).

The spelling of 1202311103 in words is "one billion, two hundred two million, three hundred eleven thousand, one hundred three".