1031120011203 has 16 divisors (see below), whose sum is σ = 1410844296960. Its totient is φ = 669591153504.

The previous prime is 1031120011193. The next prime is 1031120011211. The reversal of 1031120011203 is 3021100211301.

It is a happy number.

It is not a de Polignac number, because 1031120011203 - 2⁶ = 1031120011139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1031120012203) 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, 23305351 + ... + 23349552.

It is an arithmetic number, because the mean of its divisors is an integer number (88177768560).

Almost surely, 2^{1031120011203} is an apocalyptic number.

1031120011203 is a deficient number, since it is larger than the sum of its proper divisors (379724285757).

1031120011203 is a wasteful number, since it uses less digits than its factorization.

1031120011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46655098.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1031120011203 its reverse (3021100211301), we get a palindrome (4052220222504).

The spelling of 1031120011203 in words is "one trillion, thirty-one billion, one hundred twenty million, eleven thousand, two hundred three".