1203343023131 has 2 divisors, whose sum is σ = 1203343023132. Its totient is φ = 1203343023130.

The previous prime is 1203343023109. The next prime is 1203343023161. The reversal of 1203343023131 is 1313203433021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1203343023131 - 2⁶ = 1203343023067 is a prime.

It is a super-2 number, since 2×1203343023131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1203343023131.

It is not a weakly prime, because it can be changed into another prime (1203343023101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601671511565 + 601671511566.

It is an arithmetic number, because the mean of its divisors is an integer number (601671511566).

Almost surely, 2^{1203343023131} is an apocalyptic number.

1203343023131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203343023131 is an equidigital number, since it uses as much as digits as its factorization.

1203343023131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1203343023131 its reverse (1313203433021), we get a palindrome (2516546456152).

The spelling of 1203343023131 in words is "one trillion, two hundred three billion, three hundred forty-three million, twenty-three thousand, one hundred thirty-one".