1031203202113 has 32 divisors (see below), whose sum is σ = 1344099778560. Its totient is φ = 770057038080.

The previous prime is 1031203202089. The next prime is 1031203202153. The reversal of 1031203202113 is 3112023021301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031203202113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1031203202153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5991993 + ... + 6161686.

It is an arithmetic number, because the mean of its divisors is an integer number (42003118080).

Almost surely, 2^{1031203202113} is an apocalyptic number.

It is an amenable number.

1031203202113 is a deficient number, since it is larger than the sum of its proper divisors (312896576447).

1031203202113 is a wasteful number, since it uses less digits than its factorization.

1031203202113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12153757.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1031203202113 its reverse (3112023021301), we get a palindrome (4143226223414).

The spelling of 1031203202113 in words is "one trillion, thirty-one billion, two hundred three million, two hundred two thousand, one hundred thirteen".