1031302203113 has 48 divisors (see below), whose sum is σ = 1297589234256. Its totient is φ = 812426227200.

The previous prime is 1031302203101. The next prime is 1031302203119. The reversal of 1031302203113 is 3113022031301.

It can be written as a sum of positive squares in 8 ways, for example, as 59190997264 + 972111205849 = 243292^2 + 985957^2 .

It is not a de Polignac number, because 1031302203113 - 2⁸ = 1031302202857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1031302203119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 278653163 + ... + 278656863.

It is an arithmetic number, because the mean of its divisors is an integer number (27033109047).

Almost surely, 2^{1031302203113} is an apocalyptic number.

1031302203113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1031302203113 is a deficient number, since it is larger than the sum of its proper divisors (266287031143).

1031302203113 is a wasteful number, since it uses less digits than its factorization.

1031302203113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514 (or 5507 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1031302203113 its reverse (3113022031301), we get a palindrome (4144324234414).

The spelling of 1031302203113 in words is "one trillion, thirty-one billion, three hundred two million, two hundred three thousand, one hundred thirteen".