1203033231031 has 2 divisors, whose sum is σ = 1203033231032. Its totient is φ = 1203033231030.

The previous prime is 1203033231017. The next prime is 1203033231121. The reversal of 1203033231031 is 1301323303021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1203033231031 - 2⁹ = 1203033230519 is a prime.

It is a super-2 number, since 2×1203033231031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1203033230993 and 1203033231011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203033271031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601516615515 + 601516615516.

It is an arithmetic number, because the mean of its divisors is an integer number (601516615516).

Almost surely, 2^{1203033231031} is an apocalyptic number.

1203033231031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203033231031 is an equidigital number, since it uses as much as digits as its factorization.

1203033231031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1203033231031 its reverse (1301323303021), we get a palindrome (2504356534052).

The spelling of 1203033231031 in words is "one trillion, two hundred three billion, thirty-three million, two hundred thirty-one thousand, thirty-one".