1203112300031 has 4 divisors (see below), whose sum is σ = 1205141157792. Its totient is φ = 1201083442272.

The previous prime is 1203112299919. The next prime is 1203112300037. The reversal of 1203112300031 is 1300032113021.

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 1203112300031 - 2¹⁴ = 1203112283647 is a prime.

It is a super-2 number, since 2×1203112300031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203112299982 and 1203112300009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203112300037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014427991 + ... + 1014429176.

It is an arithmetic number, because the mean of its divisors is an integer number (301285289448).

Almost surely, 2^{1203112300031} is an apocalyptic number.

1203112300031 is a deficient number, since it is larger than the sum of its proper divisors (2028857761).

1203112300031 is an equidigital number, since it uses as much as digits as its factorization.

1203112300031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028857760.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1203112300031 its reverse (1300032113021), we get a palindrome (2503144413052).

The spelling of 1203112300031 in words is "one trillion, two hundred three billion, one hundred twelve million, three hundred thousand, thirty-one".