1031103201 has 4 divisors (see below), whose sum is σ = 1374804272. Its totient is φ = 687402132.

The previous prime is 1031103197. The next prime is 1031103209. The reversal of 1031103201 is 1023011301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1031103201 - 2² = 1031103197 is a prime.

It is a super-2 number, since 2×1031103201² = 2126347622224892802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031103209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171850531 + ... + 171850536.

It is an arithmetic number, because the mean of its divisors is an integer number (343701068).

Almost surely, 2^1031103201 is an apocalyptic number.

It is an amenable number.

1031103201 is a deficient number, since it is larger than the sum of its proper divisors (343701071).

1031103201 is an equidigital number, since it uses as much as digits as its factorization.

1031103201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343701070.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1031103201 is about 32110.7957079858. The cubic root of 1031103201 is about 1010.2620634872.

Adding to 1031103201 its reverse (1023011301), we get a palindrome (2054114502).

The spelling of 1031103201 in words is "one billion, thirty-one million, one hundred three thousand, two hundred one".