1203113220031 has 2 divisors, whose sum is σ = 1203113220032. Its totient is φ = 1203113220030.

The previous prime is 1203113219993. The next prime is 1203113220047. The reversal of 1203113220031 is 1300223113021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1203113220031 - 2²¹ = 1203111122879 is a prime.

It is a super-2 number, since 2×1203113220031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1203113219990 and 1203113220008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203113227031) 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 as a sum of consecutive naturals, namely, 601556610015 + 601556610016.

It is an arithmetic number, because the mean of its divisors is an integer number (601556610016).

Almost surely, 2^{1203113220031} is an apocalyptic number.

1203113220031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203113220031 is an equidigital number, since it uses as much as digits as its factorization.

1203113220031 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1203113220031 its reverse (1300223113021), we get a palindrome (2503336333052).

The spelling of 1203113220031 in words is "one trillion, two hundred three billion, one hundred thirteen million, two hundred twenty thousand, thirty-one".