1202313001031 has 2 divisors, whose sum is σ = 1202313001032. Its totient is φ = 1202313001030.

The previous prime is 1202313000991. The next prime is 1202313001073. The reversal of 1202313001031 is 1301003132021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202313001031 is a prime.

It is a super-2 number, since 2×1202313001031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202313001531) 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, 601156500515 + 601156500516.

It is an arithmetic number, because the mean of its divisors is an integer number (601156500516).

Almost surely, 2^{1202313001031} is an apocalyptic number.

1202313001031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202313001031 is an equidigital number, since it uses as much as digits as its factorization.

1202313001031 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1202313001031 its reverse (1301003132021), we get a palindrome (2503316133052).

The spelling of 1202313001031 in words is "one trillion, two hundred two billion, three hundred thirteen million, one thousand, thirty-one".