1031212311203 has 2 divisors, whose sum is σ = 1031212311204. Its totient is φ = 1031212311202.

The previous prime is 1031212311197. The next prime is 1031212311209. The reversal of 1031212311203 is 3021132121301.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1031212311197) and next prime (1031212311209).

It is a cyclic number.

It is not a de Polignac number, because 1031212311203 - 2³⁴ = 1014032442019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031212311209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515606155601 + 515606155602.

It is an arithmetic number, because the mean of its divisors is an integer number (515606155602).

Almost surely, 2^{1031212311203} is an apocalyptic number.

1031212311203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031212311203 is an equidigital number, since it uses as much as digits as its factorization.

1031212311203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1031212311203 its reverse (3021132121301), we get a palindrome (4052344432504).

The spelling of 1031212311203 in words is "one trillion, thirty-one billion, two hundred twelve million, three hundred eleven thousand, two hundred three".